Diazinon, 100µg/mL in Acetonitrile, 1ml

2,4,6-Tribromo[13C6]phenol, 1.2ml x 100ug/ml, toluene

d2 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 1ml

Senecionine,50 µg/mL,dried down,1mL,