D4-1H-Benzotriazole, 100 µg/ml, Methanol, 1ml

Cefadroxil, 100mg

Tetrabromo[13C6]phthalic anhydride, 1.2ml x 50ug/ml, toluene

5ß(H)-Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 481-26-5