Abamectin, 100 µg/ml, Acetonitrile, 5ml

O,O-Diethyl dithiophosphate-13C4, ammonium salt,100 µg acid/mL,MeOH,1mL,

2,3,3',5,5'-Pentachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 39635-32-0

Zilpaterol-13C3 hydrochloride, 10mg