Tri-n-propyl phosphate, 1.2ml x 50ug/ml, toluene

d2 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 10 x 1ml

Heptachlor-exo-epoxide, 100 µg/ml, Methanol, 1ml

Triisobutyl phosphate, 100 µg/ml, Methanol, 5ml