Vinylchloride, 5000 ng/µl, 5ml

2,2',4,4'-Tetrabromo-6-hydroxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

N-Nitrosodiphenylamine

2,2,4-Trimethyl-1,3-pentanediol monoisobutyrate