Ethofumesate, 100µg/ml in Acetonitrile, 5ml

Benzidine D8, 500µg/mL in Acetonitrile:Methanol, 1ml

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

Isodimethoate, 50mg