o,p'-Methoxychlor

4-n-Nonylphenol diethoxylate, 1000µg/ml in Isooctane, 1ml

(+/-)-Normetanephrine hydrochloride,1000 µg base/mL,MeOH,1mL,

Metformin hydrochloride, 100 µg/ml, Methanol, 1m