D4-Imidacloprid, 100 µg/ml, Acetone, 1ml

17 alpha(H),21ß(H)-(22S)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-13-0

Acenaphthylene-d8, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 93951-97-4

Praseodymium (Pr)