Carbamazepine-d2,15N, 1mg

Uniconazole, 100 µg/ml, Acetonitrile, 5ml

Metazachlor-d6, 1mg

N-(4-chloro[13C6]phenyl)-N'-(3,4-dichloro[13C6]phenyl)[13C]urea , 1.2ml x 50ug/ml, methanol