Aqueous Ethanol Standard (0.8g/l), 10 x 1,2ml

Isocaffeine (1,3,9-Trimethylxanthine), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 519-32-4

Propargyl alcohol, 250mg

Metamizole impurity A, 15mg