Pyribencarb, 100 µg/ml, Acetonitrile, 1ml

2-Nitrobiphenyl-d9,1000 µg/mL,toluene,1mL,

2,2',3,3',4,5,5'-Heptachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

(±)-11-OH-Δ9-THC-d3, 100µg/ml in MeOH, 1ml