Betaxolol hydrochloride, 10mg

2H,2H,3H,3H-Perfluorohexanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 356-02-5

Chlorfenvinphos, 100µg/mL in Acetonitrile, 1ml

2,4,5-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane