Tilmicosin, 100 µg/ml, Methanol, 1ml

p-Coumaric acid ethyl ester, >98%, 20mg

d2 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 5 x 1ml

3-(3,5-Di-tert-butyl-4-hydroxyphenyl)propionic Aci