17 alpha(H),21 alpha(H)-Hopane, 50µg/mL in Isooctane, 1ml

6-Methylmercaptopurine, 250mg

Dechlorane Plus® syn-Isomer (13C10,99%) 100 µg/mL in Nonane, 1,2ml

n-Tetradecane , ?13C: -33.13, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-59-4