Profenofos, 10.0 µg/ml, Cyclohexane, 10ml

3,3',4,4'-Tetrachlorodiphenyl ether, 1.2ml x 50ug/ml, toluene

3,3',4,4',5-Pentabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Clarithromycin, certified, 0.1g