Pyridoxine hydrochloride, 100mg

N-(4-chlorophenyl)-N'-(3,4-dichlorophenyl)urea , 1.2ml x 50ug/ml, methanol

N-Nitrosodiisobutylamine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 997-95-5

Tin (Sn), 1000µg/ml in in 2%-HNO3 / 6%-HCl, 100ml