Oxyphenbutazone monohydrate, 50mg

4'-Fluoro-2,3',4-tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 863314-85-6

Caffeine for system suitability, 10mg

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