Fenpropidin, 100 µg/ml, Cyclohexane, 5ml

Spironolactone,1000 µg/mL,MeOH,1mL,

2,2',3,3',4,4',5,5',6-Nonachloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml

Diethofencarb, 100 µg/ml, Acetonitrile, 5ml