Butralin, 100 µg/ml, Ethyl acetate, 5ml

Cyclooctane-d16, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 92204-03-0

17 alpha(H),21ß(H)-(22R)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-14-1

Phenanthrene-d10, 100 µg/mL in toluene, 1mL