Metazachlor ESA sodium salt, 10.0 µg/ml, Acetonit

2-(Hydroxymethyl)butanoic Acid, 10mg

4-Methylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 644-08-6

4,4’-DDE