Related by context. All words. (Click for frequent words.) 71 DINP DIDP 68 phthalate DEHP 68 dibutyl phthalate 65 formaldehyde toluene 64 phthalates 64 organophosphorus pesticides 63 diphenyl ether 63 DINP 63 pthalates 62 polybrominated diphenyl ethers PBDEs 62 PBDE 62 carcinogens mutagens 62 DEHP 62 Lindane 62 dioxane 61 synthetic musks 61 2 ethylhexyl phthalate 61 pesticide chlorpyrifos 61 carcinogenic mutagenic 61 polybrominated diphenyl ether 61 organophosphate pesticide 60 dibutyl phthalate DBP 60 phthalate 60 Phthalate 60 reproductive toxicants 60 #,# Dioxane 60 azo dyes 60 ethyl mesilate 60 DDT dieldrin 60 hormone disrupter 60 deca BDE 60 plastic softeners 60 octa BDE 60 disinfection byproduct 59 trihalomethanes THMs 59 benzophenone 59 diethyl 59 heptachlor 59 Triclosan 59 pentaBDE 59 benzopyrene 59 hexavalent chromium polybrominated biphenyls 59 BDEs 59 piperonyl butoxide 59 chemical bromate 59 persistent bio accumulative 59 parathion 59 reproductive toxins 59 chlorinated compounds 59 DEHA 59 PBDE flame retardants 58 nonylphenol ethoxylates 58 biphenyls 58 hormone disrupting 58 Polybrominated 58 polybrominated 58 reproductive toxicant 58 reproductive toxicity 58 oxybenzone 58 potent carcinogen 58 phthalate metabolites 58 diphenyl ethers 58 mimics estrogen 58 endocrine disrupter 58 polybrominated biphenyls 58 ethoxylates 58 aristolochic acid 58 polycyclic aromatic hydrocarbons PAH 58 endocrine disrupting chemicals 57 lindane 57 Parabens 57 hormone disruptor 57 #,# dioxane 57 HBCD 57 organochlorine pesticides 57 brominated flame 57 plasticisers 57 Phthalates 57 polybrominated diphenyl ether PBDE 57 perfluorooctanoate PFOA 57 sensitizers 57 DecaBDE 56 organophosphate insecticide 56 chlorinated flame retardants 56 carcinogenic substance 56 TBBPA 56 PBDE chemicals 56 organochlorine 56 perfluorinated chemicals 56 organophosphate exposure 56 perfluorinated compounds 56 bioaccumulative 56 Flame retardants 56 prenatal exposures 56 PVC phthalates 56 endocrine disrupting 56 SVHCs 56 penta BDE 56 polybrominated diphenyl ethers 56 endocrine disrupting chemical 56 methyl parathion 56 perfluorooctanoic acid PFOA 55 ursodeoxycholic acid 55 perfluorooctane sulfonate PFOS 55 endocrine disruptor 55 aromatic amine 55 Chromium VI 55 Hydroquinone 55 synthetic fragrances 55 chromium VI 55 tetrachloroethene 55 benzoates 55 chlorinated pesticides 55 plasticiser 55 polybrominated diphenyl ethers PBDE 55 bio accumulative 55 aromatic amines 55 insecticide chlorpyrifos 55 inorganic arsenic 55 phthalate DINP 55 Benzo pyrene 55 organochlorine pesticide 55 toxic flame retardants 55 benzyl alcohol 55 BLLs 55 dioxin TCDD 55 perfluorooctane sulfonate 55 carbamates 55 pesticide lindane 55 Methyl 54 persistent bioaccumulative 54 PFCAs 54 dioxins PCBs 54 coumarin 54 Skin creams 54 phthalates chemicals 54 synthetic fertilizers hormones 54 benzylpiperazine BZP 54 PVC shower curtains 54 organophosphate pesticides 54 PDBEs 54 formaldehydes 54 teratogens 54 diethylene glycol DEG 54 polychlorinated biphenyls PCBs 54 nonylphenol 54 Methylmercury 54 PBDEs polybrominated diphenyl ethers 54 organotins 54 microcystins 54 dental amalgams 54 DIDP 54 chlordecone 54 ethylmercury 54 mercury Hg 54 halogenated 54 benzalkonium chloride 54 chelating agents 54 dimethoate 54 ethinylestradiol 54 diazinon 54 sodium lauryl sulfate 54 cadmium mercury hexavalent 54 HAAs 54 methylparaben 54 DBPs 54 Chlorpyrifos 54 peroxides 54 dieldrin 54 benzene toluene xylene 54 ammonium salt 54 carcinogenic chemical 54 harmful substances 54 catechin 54 glycol ethers 54 BHA BHT 54 organophosphates 54 organophosphate insecticides 54 phthalate exposure 54 antiseptic chlorhexidine 54 synthetic progestin 53 #,# dichloroethane 53 organophosphorous 53 Brominated flame retardants 53 propyl 53 isopropyl 53 ergot alkaloids 53 Pyrethrins 53 thiomersal 53 orofacial clefts 53 sorbate 53 hepatotoxic 53 endotoxins 53 #,# dichloroethylene 53 quaternary ammonium compounds 53 plastic hardener 53 isobutyl 53 pyrethrins 53 Oxybenzone 53 pesticides chlorpyrifos 53 organotin 53 nephrotoxic 53 reproductive abnormalities 53 parabens 53 flame retardants PBDEs 53 ergotamine 53 antineoplastic 53 chemicals diazinon malathion 53 avobenzone 53 pyrene 53 #,# DCB 53 estrogen ethinyl estradiol 53 potentially carcinogenic 53 carbon tetrachloride 53 biphenyl 53 BPA phthalates 53 benzothiazole 53 #mg/kg [001] 53 PFOAs 53 ecamsule 53 #,# dichlorobenzene 53 polychlorinated biphenyl PCB 53 IUGR 53 endocrine disruptors 53 Carbofuran 53 toxaphene 53 2 butoxyethanol 53 thirdhand smoke 53 antigenic proteins 53 deltamethrin 53 PFOS 53 chlordane 53 nitrofurans 53 benzoic acid 53 hexachlorobenzene 53 thyroxine T4 53 cadmium chromium 53 Diazinon 53 insecticides herbicides 52 hormone disrupters 52 carboxylic acids 52 phthalate plasticizers 52 multinodular goiter 52 fluorotelomers 52 benzoate 52 immunotoxicity 52 Acetaldehyde 52 Deca BDE 52 alachlor 52 estrone 52 paraben 52 tobacco specific nitrosamines 52 Ozone disinfection produces 52 estrogen mimicking 52 dichloroethene 52 Polychlorinated biphenyls PCBs 52 carcinogenic chemicals 52 Phytoestrogens 52 Trichloroethylene 52 Dehydroepiandrosterone 52 fluorinated chemicals 52 malondialdehyde 52 Aflatoxins 52 Dioxane 52 dichloromethane 52 Volatile Organic Compounds VOCs 52 dioxins furans 52 H2 blocker 52 Brominated 52 stain repellents 52 methylxanthines 52 Inorganic arsenic 52 teratogenic effects 52 endrin 52 chemical diethylene glycol 52 organochlorines 52 μg L 52 Paraquat 52 cetirizine Zyrtec 52 polychlorinated biphenyl 52 decaBDE 52 PCBs DDT 52 dimethyl 52 sulfonic acid 52 lead mercury cadmium 52 neuro toxin 52 Ginkgo biloba extract 52 aflatoxin B1 52 DEET N 52 pesticides aldrin 52 trichloroethane 52 Chlordane 52 Pseudomonas aeruginosa bacteria 52 Leukotrienes 52 norethindrone 52 opportunistic pathogens 52 carcinogenic polycyclic aromatic hydrocarbons 52 teratogenic 52 dermatologically tested 52 trichloroethene TCE 52 estrogenic compounds 52 brominated compounds 52 rBGH milk 52 dichloroethane 52 Air fresheners 52 beclomethasone dipropionate 52 ethyl mercury 52 organochlorine insecticides 52 linalool 52 brominated flame retardant 52 dichloroethylene 51 brominated flame retardants BFR 51 chlorinated hydrocarbon 51 TiO2 nanoparticles 51 alkaloids 51 triclocarban 51 rat poisons 51 Diethyl 51 environmental toxicants 51 bismuth oxychloride 51 organophosphorus 51 hexachlorobenzene HCB 51 methylene chloride 51 Inert ingredients 51 Dextromethorphan 51 cyclamate 51 containing triclosan 51 flame retardant chemicals 51 hormone disruptors 51 Mouthwashes 51 insecticide endosulfan 51 Sorbitol 51 pesticides insecticides 51 TSNA 51 arsenic benzene 51 cobalamin 51 polyester resins alkyd resins 51 dichlorobenzene 51 allergenic proteins 51 phthalate esters 51 chemical malachite green 51 serum homocysteine 51 ocular toxicity 51 ODSs 51 Aldicarb 51 fumonisins 51 naphthalene 51 methamidophos 51 bisphenol A. 51 benzo pyrene 51 cola drinks 51 Homocysteine 51 salicylates 51 chlorine byproducts 51 phenoxyethanol 51 hypericin 51 silibinin 51 triazine 51 diisocyanate 51 stearic acid 51 carcinogenicity 51 Dieldrin 51 cyclamates 51 cryoprotectants 51 hexavalent 51 estrogenic activity 51 carcinogens 51 apigenin 51 Chlorofluorocarbons 51 Vinyl chloride 51 metabolizing enzymes 51 Nitrogen oxide 51 tetrachlorethylene 51 CYP #A# 51 cetyl 51 vinyl shower curtains 51 chlorobenzene 51 atopic disease 51 Fluoroquinolones 51 naturally occurring amino acid 51 polynuclear aromatic hydrocarbons 51 #,#,# trichloroethane 51 phototoxicity 51 dehydroepiandrosterone DHEA 51 Nitrite 51 eicosapentaenoic acid 51 plasticizers 51 dimethyl sulfoxide 51 sodium laurel sulfate 51 developmental neurotoxicity 51 DDT PCBs 51 oestrogenic 51 cortico steroids 50 Beclomethasone 50 sodium laureth sulfate 50 progestin hormone 50 chlorpheniramine 50 endocrine disrupters 50 respirable crystalline silica 50 nonsteroidal 50 nicotine inhalers 50 triiodothyronine T3 50 Hexavalent Chromium 50 cyanocobalamin 50 mouth rinses 50 mcg dl 50 barium chromium 50 RfD 50 nimesulide 50 hydroperoxide 50 oleanolic acid 50 glycols 50 mutagens 50 carcinogenic 50 chlorpyrifos 50 containing mouthwashes 50 Halogenated 50 Nonoxynol 9 50 mimic estrogen 50 dehydrogenases 50 biphenyls PCBs 50 polyaromatic hydrocarbons 50 antimony trioxide 50 cathinones 50 Chloramines 50 perfluorooctane 50 chemical Bisphenol 50 spermicides 50 benzyl 50 sodium valproate 50 cadmium Cd 50 Benzyl 50 polychlorinated 50 ug ml 50 allura red 50 organochlorine compounds 50 prenatal multivitamin 50 acid PFOA 50 carcinogenic compounds 50 racemic mixture 50 lead cadmium arsenic 50 parabens phthalates 50 genital herpes infections 50 Methylene chloride 50 diacetate 50 carcinogen 50 docosahexaenoic acid 50 trichloroethene 50 nanograms milliliter 50 Durabolin 50 inorganic salts 50 polycarbonate plastics 50 synthetic estrogens 50 biogenic amines occur 50 mutagenicity 50 Carbon tetrachloride 50 salmeterol fluticasone propionate 50 suspected carcinogen 50 Levonorgestrel 50 polyunsaturated fatty acid 50 sodium benzoate 50 cancer causer 50 psoralen 50 botulinum neurotoxins 50 neurotoxicity 50 tocopherol 50 powdered latex gloves 50 vinyl lunchboxes 50 PCBs dioxins 50 fluorides 50 bacterial colonization 50 organophosphate 50 Thimerosal mercury 50 glibenclamide 50 monocrotophos 50 conjugated estrogen 50 halons 50 xanthine 50 tocotrienols 50 azelaic acid 50 Hexavalent chromium 50 pathogenic micro organisms 50 halogenated flame retardants 50 compounds metabolize lipid 50 pentachlorophenol 50 Nimesulide 50 Epoxy resins 50 PCBs polychlorinated biphenyls 50 perfluorocarbons 50 brominated 50 dioxin PCBs 50 terpenoids 50 iodide uptake 50 Sodium fluoride 50 exposed prenatally 50 inorganic mercury 50 ethylene dibromide 50 methylene 50 xenobiotic 50 endocrine disrupting chemicals EDCs 50 Nicotinamide 50 Botulinum 50 formaldehyde carcinogen 50 organophosphate OP 50 neurotoxic effects 50 MeHg 50 Carcinogenic 50 cadmium mercury 50 aldrin 50 trigger allergic reactions 50 Burkholderia cepacia bacteria 49 softgel capsules 49 acids DHA 49 harmful chemicals 49 insecticides pesticides 49 quinolones 49 pesticide endosulfan 49 retinyl palmitate 49 selenomethionine 49 radioactive isotopes chemotherapeutics cytokines 49 xylenes 49 Inhibin B 49 #.#mg/kg [002] 49 n butyl 49 perfluorochemicals PFCs 49 chlorhexidine gluconate 49 tributyltin 49 acids alkalis 49 multivitamin supplements 49 selenium sulfide 49 selenium yeast 49 pyridoxine 49 Corexit #A 49 plasticizer 49 pesticide residues 49 anti androgenic 49 methylxanthine 49 detectable BPA 49 neuro developmental disorders 49 tetrachlorethylene PCE 49 PCBs mercury 49 acetaminophen codeine 49 methanol formaldehyde 49 hydrofluorocarbons HFCs perfluorocarbons PFCs 49 harsh detergents 49 toxic substances 49 enteric coatings 49 Formalin 49 L Lysine 49 Squalene 49 ug g 49 aromatic hydrocarbons 49 hydroquinone 49 pg g 49 Tetrachloroethylene 49 bioaerosols 49 Intravenous infusions 49 TTHMs 49 endocrine disrupting compounds 49 Biotin 49 hairsprays 49 brominated flame retardants 49 advanced glycation end 49 utero exposure 49 pseudoephedrine decongestant 49 Ammonium 49 ethanolamine 49 anti androgen 49 SPRIX ® 49 hydrochlorofluorocarbons HCFCs 49 sodium phosphate 49 Chlorinated 49 sodium fluoride 49 vaccine Tdap 49 acrolein 49 PBDEs 49 containing drospirenone 49 μg dL 49 xenoestrogens 49 ddI 49 swallowing radioactive iodine 49 benzene toluene 49 chromium cadmium 49 shampoos lotions 49 carbamate insecticides 49 chemical flame retardants 49 dietary nitrate 49 Metered Dose Inhalers 49 glycyrrhizin 49 stimulant caffeine 49 quadrivalent vaccine 49 Ozone Depleting Substances ODS 49 MetAP2 49 Perfluorinated chemicals 49 toxic pollutant 49 thyroxine 49 urinary BPA 49 serum TSH 49 antibiotics amoxicillin 49 furan 49 dust mite allergies 49 cresol 49 Cladosporium 49 Tetrodotoxin 49 asbestosis lung cancer 49 Organophosphate 49 Prenatal vitamins 49 phyto oestrogens 49 mouthwashes containing 49 polychlorinated biphenyls PCB 49 PVC plastics 49 glucuronolactone 49 cadmium arsenic 49 sodium cyclamate 49 bacterial endotoxin 49 ethyl carbamate 49 nitrite nitrate 49 DDVP 49 hair dyes 49 PPCPs 49 PBTs 49 counterfeit impure 49 ingredient DEET 49 monensin 49 PFBA 49 oestrogens 49 flammable corrosive 49 vincristine sulfate 49 mercury hexavalent chromium polybrominated 49 faecal coliforms 49 glucoside 49 chemical perfluorooctanoic acid 49 methyl mercury 49 PVC BFRs 49 Acrylamide 49 Benzoyl peroxide 49 endogenous hormones 49 anti microbials 49 containing DEET 49 perfluorocarbons PFCs 49 repellents containing DEET 49 UV tanning beds 49 Toluene 49 glycol ether 49 hormone estradiol 49 containing DXM 49 particulate matter PM#.# 49 Annex XIV 49 Antiperspirants 49 beta sitosterol 49 transferrin saturation 49 soy isoflavone 49 carbamate 49 BSE prions 49 diphtheria toxoid 49 butylated 49 Staphylococcus aureus bacteria 49 staphylococcus bacteria 49 Proventil HFA 49 hormone levonorgestrel 49 pesticides herbicides fungicides 48 toxicant 48 eicosapentaenoic acid EPA 48 potassium sorbate 48 iodine intake 48 flavones 48 toxic diethylene glycol 48 mercury PCBs 48 Xylene 48 chondroitin sulphate 48 Deca 48 AHAs 48 Indoor tanning 48 oceanic pollutants 48 ethylbenzene 48 dichlorvos 48 chlorine bleaches 48 superantigen 48 miconazole nitrate 48 mirex 48 tributyl tin 48 essential amino acid 48 PFOA perfluorooctanoic acid 48 Malathion 48 tetroxide 48 artificial sweetener saccharin 48 triethanolamine 48 vitamin K1 48 Cryptosporidium parasite 48 ferrous sulfate 48 insecticides fungicides 48 chelating agent 48 folate folic acid 48 anabolic hormones 48 polyvinyl chlorides 48 vaccine serotypes 48 thimerosal mercury 48 eugenol 48 Benzocaine 48 Fecal coliform 48 Dulcolax R 48 bloodroot shark cartilage 48 PAHs polycyclic aromatic hydrocarbons 48 fluoride toothpastes 48 cadmium hexavalent chromium 48 acaricide 48 naturally occurring bacterium 48 Endocrine disruptors 48 Iron deficiency anemia 48 neurotoxin 48 Volatile Organic Compounds VOC 48 cyanides 48 Also Sepracor Xopenex 48 aerosol propellants 48 moisturizing creams 48 TCE PCE 48 Salicylate 48 phylloquinone 48 contain triclosan 48 trivalent chromium 48 tibolone 48 QVAR R 48 chloramphenicol 48 parabens preservatives 48 synthetic preservatives 48 flavonol 48 mcg dL 48 containing DEHP 48 benzimidazole 48 cardiotoxic 48 addictive nicotine 48 irritancy 48 Preservative 48 polycarbonate bottles 48 chlorinated solvents 48 tattoo inks 48 colourants 48 pyrethroid insecticide 48 poliovirus vaccine 48 pesticidal 48 hormonally active 48 Use insect repellents 48 Salmeterol 48 sulphoraphane 48 benzoate preservative 48 silymarin 48 lotion shampoo 48 mercury arsenic 48 eicosanoids 48 posing suffocation 48 plutonium americium 48 prostaglandin D2 48 Ozone Depleting 48 biologically inactive 48 PBBs 48 genotoxicity 48 PFOS PFOA 48 CFCs chlorofluorocarbons 48 aflatoxins 48 luteolin 48 estrogenic 48 glucose sugars 48 globulins 48 daidzein 48 phenolphthalein 48 arachidonic 48 thyroid stimulating hormone TSH 48 docosahexaenoic acid DHA 48 Dechlorane Plus 48 synthetic progesterone 48 zinc pyrithione 48 triclosan 48 chlortetracycline 48 follicle stimulating hormone 48 nitrogenous compounds 48 maneb 48 mercury dioxins 48 MenACWY CRM 48 Flame Retardant 48 infant formula cans 48 preservative sodium benzoate 48 arsenic chromium 48 palmitic acid 48 rotaviruses 48 Enterococci 48 Erythropoietin EPO 48 GBCAs 48 arachidonic acid 48 zearalenone 48 ephedrine alkaloids 48 arsenic beryllium 48 insect repellent DEET 48 chromium polybrominated biphenyl PBB 48 linoleic acids 48 stanol 48 carbonyls 48 lactitol 48 steroid analogs 48 resorcinol 48 μg g 48 meta toluamide 48 Polychlorinated Biphenyls 48 substances 48 epigallocatechin gallate EGCG 48 Formaldehyde 48 Acetaminophen Tylenol 48 Tolerable Daily 48 nitroprusside 48 oleuropein 48 pesticides 48 Rofecoxib 48 lipid soluble 48 Bromate 48 pyrethrin 48 skin bleaching creams 48 thymol 48 Chrysotile asbestos 48 amphibole asbestos 48 neurotoxic 48 genotoxic substance 48 insecticides herbicides fungicides 48 colourant 48 serum IgE 48 leflunomide 48 Estrogenic 48 Mint Fluoride Paste 48 tiotropium bromide 48 sweetener xylitol 48 Polybrominated diphenyl ethers 48 Pyrethroids 48 asthma antibiotic resistance 48 Shampoos 48 impair fertility 48 ethoxylate 48 oxytetracycline 48 plant stanol esters 48 diarrhea abdominal cramps nausea 48 toxigenic 48 ethyl ester 48 cardiac glycosides 48 ephedrine stimulant 48 nonoxynol 9 48 additives preservatives 48 Sodium benzoate 48 microbicidal 48 BPA 48 acellular pertussis vaccine 48 Prenatal exposure 48 circulating rotavirus 48 potent carcinogens 48 terbutaline 48 alpha hydroxy acids 48 PCV1 48 titanium dioxide nanoparticles 48 azinphos methyl 48 Co enzyme Q# 48 caffeine guarana taurine 48 follicle stimulating hormone FSH 48 Soy isoflavones 48 urinary concentrations 48 Ethylene glycol 48 inhaled budesonide 48 amino acids enzymes 48 CYP#A# inhibitors 48 herbal ingredients 48 micromolar 48 amiloride 48 BENECOL R Spreads 48 nitrosamine 48 Prostaglandins 48 kojic acid 48 sPLA2 48 estrogenic chemicals 48 microelements 48 male hormone androgen 48 psychoactive compounds 47 glutathione 47 flame retardants 47 monoamines 47 bacteria Clostridium botulinum 47 methyl chloride 47 hormone erythropoietin EPO 47 enkephalins 47 persistent wheezing 47 PCBs dioxin 47 oxide hydrofluorocarbons perfluorocarbons 47 oxide sulfur hexafluoride 47 acellular vaccine 47 cyfluthrin 47 Peptide YY 47 pseudoephedrine ephedrine 47 horticultural oils 47 calcium caseinate 47 Butyrate 47 dimethylformamide 47 phenylalanine 47 superpotent ingredients Saben 47 cockroach allergens 47 Air Pollutants 47 benzene ethylbenzene 47 urine albumin 47 semicarbazide 47 benzylpiperazine 47 Horticultural oils 47 contrast chlorine disinfection 47 N N diethyl 47 harmful contaminants 47 paradichlorobenzene 47 acetylsalicylic acid 47 l cysteine 47 acids solvents 47 Selenium SeLECT 47 Brominated Flame Retardants 47 alkyl 47 Diethylene Glycol 47 hydrolysed vegetable protein 47 Synthetic cannabinoids 47 DEET Picaridin 47 Oxidative stress occurs 47 elemental mercury 47 3 methylbenzamide 47 estrogenic effects 47 synthetic pyrethroids 47 Bike Flair Accessory 47 Paxil paroxetine 47 leaded paint 47 plasma selenium 47 toluene solvent 47 fecal coliforms 47 vaginal irritation 47 μg ml 47 engineered nanoparticles 47 Ultraviolet radiation 47 Dursban 47 ZIAGEN 47 dust mite allergens 47 benzo 47 Salbutamol 47 Avobenzone 47 Clostridium botulinum toxin 47 THMs 47 MIC# [001] 47 toxin 47 endocrine disruption 47 Apply insect repellent 47 nandrolone decanoate 47 kanamycin 47 hydrolyzed protein 47 mercury potent neurotoxin 47 PVC polyvinyl chloride 47 aspartame sucralose 47 mmHg millimeters 47 organo phosphate 47 plastics detergents 47 vinclozolin 47 TTHM 47 metabolized differently 47 chlordiazepoxide 47 retinyl 47 malathion 47 magnesium carbonate 47 titanium dioxide zinc oxide 47 toxicity 47 Cotinine 47 solvents pesticides 47 anti dandruff shampoos 47 toluene benzene 47 TOPAMAX ® 47 sorbic acid 47 parabens sulfates 47 aluminum phosphide 47 hydrogen sulphide H2S 47 organic solvents 47 algal toxins 47 Ritalin methylphenidate 47 human carcinogen 47 methomyl 47 thyroid hormones 47 dietary carotenoids 47 benzene formaldehyde 47 CFC propellants 47 phyto estrogen 47 disinfection byproducts 47 soy infant formula 47 Methylene Chloride 47 ug dL 47 cyanazine 47 Vigabatrin 47 VOC Volatile Organic Compounds 47 psychoactive chemical 47 Disinfectants 47 thyroxin 47 Herbal supplements 47 tributyltin TBT 47 aB vitamin 47 brominated flame retardants BFRs 47 l carnitine 47 toxicants 47 parainfluenza virus