Perfluoro-n-butanoic acid, 50µg/ml in MeOH, 1,2ml

4-Phenyldibenzofuran, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 74104-10-2

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

Heptadecafluorooctanesulfonic acid potassium salt,