2,7-Dichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Amiodarone hydrochloride

4-Nonylphenol diethoxylate, mixture of nonylisomers,100 µg/mL,MeOH,1mL,

D7-Penicillin G N-Ethylpiperidinium salt, 10mg