4-Bromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

1,3-Diphenylguanidine, >98%, 25g

17 alpha(H),21ß(H)-(22RS)-Bishomohopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54352-50-0

1.2,3.4,5.6,10.11-Tetrabenzanthanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 188-00-1