Endrin, 100 µg/ml, Methanol, 1ml

2,2'-Ethylidenebis(4,6-di-tert-butylphenol), 250mg

2-(N-ethyl-d5-perfluoro-1-octanesulfonamido)ethan-d4-ol, 50µg/ml in MeOH, 1,2ml

5-Nitro-o-toluidine