Tetrachloroethene, 100 µg/ml, Methanol, 5ml

3,3'-Dimethoxybenzidine,100 µg/mL,acetonitrile,1mL,

O-Desmethyl tramadol hydrochloride , 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no.

2-Methoxyethanol, 1ml