1H-1,2,4-Triazole-1-acetic acid, 100mg

Di-isobutyl phthalate, 1000µg/ml in MeOH, 1ml

Carbophenothion

Sodium 1H,1H,2H,2H-perfluoro-1-[1,2-13C2]-decane sulfonate (8:2), 50µg/ml in MeOH, 1,2ml