1-Ethyl-3-methylimidazolium Ethyl Sulfate, 5g

trans-1,3-Dimethylcyclopentane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 1759-58-6

17 alpha(H),21ß(H)-(22RS)-Trishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54340-13-5

Pentachlorophenol, 1000µg/ml in MeOH, 1ml