2-Toluidine-d7, 10mg

Sodium 1H,1H,2H,2H-perfluoro-1-[1,2-13C2]-octane sulfonate (6:2), 50µg/ml in MeOH, 1,2ml

13C3-Caffeine, 100 µg/ml, Methanol, 1ml

Diclofop free acid, 100mg