4-Nitrophenol, 10.0 µg/ml, Acetonitrile, 10ml

Sodium perfluoro-1-[1,2,3-13C3]hexanesulfonate, 50µg/ml in MeOH, 1,2ml

2-Methylthianaphthene

Fonofos, 100 µg/ml, Ethyl acetate, 5ml