Ethoxyquin, 10.0 µg/ml, Ethyl acetate, 10ml

Chloroacetic Acid-13C2, 10mg

Ethephon D4, 100µg/mL in Acetone, 1ml

Sodium 1H,1H,2H,2H-perfluoro-1-[1,2-13C2]-hexane sulfonate (4:2), 50µg/ml in MeOH, 1,2ml