D6-Pirimicarb, 100 µg/ml, Acetone, 1ml

d2 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL in Isooctane, 10 x 1ml

Fenbutatin oxide, 100µg/ml in Acetonitrile, 5ml

17-Hydroxypregnenolone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 387-79-1