17 alpha(H),21 alpha(H)-Hopane, 50µg/mL in Isooctane, 1ml

Primidone,1000 µg/mL,MeOH,1mL,

2,2',4,4',5-Pentachlorodiphenyl ether, 1.2ml x 50ug/ml, nonane

Phytane