Clarithromycin, certified, 0.1g

D9-Tulobuterol hydrochloride, 10mg

Copper (Cu), 1000µg/ml in 2%-HNO3/Water, 100ml

2,3,7-/2,3,8-Trimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 153524-16-4 / '212332-91-7