Quinoxyfen, 10.0 µg/ml, Ethyl acetate, 10ml

Ethanol standard in water,4.0g/L,water, 1.5mL

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

5-(Hydroxymethyl)furfural