13C3-Atrazine-desethyl-desisopropyl, 10mg

Metazachlor, 10.0 µg/ml, Acetonitrile, 10ml

17ß-Ethynylestradiol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 4717-38-8

Isophorone, 1ml