O-Desmethylvenlafaxin, 100µg/ml in MeOH, 1ml

Praseodymium (Pr)

D6-Dichlorvos, 100 µg/ml, Cyclohexane, 1ml

2,2',3,4',5,6,6'-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane