Ethiprole-sulfone, 100 µg/ml, Acetonitrile, 1ml

2-Mercapto-4,5,6,7-d4-benzimidazole, 5mg

Allyl sorbate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 7493-75-6

Caffeine for system suitability, 10mg