Desmedipham, 100µg/ml in MeOH, 5ml

(3 alpha(H)+3bß(H)),17ß(H),21ß(H)-3-Hydroxyhopane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 28196-47-6/

Metazachlor OA, 100 µg/ml, Acetonitrile, 1ml

2,4’-Dinitrodiphenylamine