Fenoprop methyl ester

Di-iso-butyl phthalate, 1000µg/ml in Isooctane, 5ml

N-Nitrosodiphenylamine

2,2',3,3',4,4',5,5'-Octachloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml