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

Fensulfothion-oxon-sulfone, 100µg/ml in AL, 1ml

Pyrenyl-1-O-glucuronide, 50µg/mL, Solvent-methanol, Unit 50µg, # of units-1, Cas.no. 15417-05-2

2,6-Di-tert-butyl-4-methoxyphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 489-01-0