4,4´-Diamino-3,3´-dimethyldiphenyl methane, certified, 0.1g

3-Methoxynaltrexone hydrochloride, neat, Solvent-neat, Unit 20mg, # of units-1, Cas.no. 515836-11-0

(+/-)-Anatoxin A, fumarate, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 64285-06-9

EPA Method 533 Native Primary Std (br/l mix), 500ng/ml in MeOH, 1,2ml