1,2,5,6-Tetrabromocyclooctane,50 µg/mL,MeOH,1mL,

Bentazon-d7 (isopropyl-d7),100 µg/mL,acetonitrile,1mL,

17?(H),21ß(H)-(22S)-Homohopane, 500µg/mL in Isooctane, 1mL

2-Propyl-3,5-dimethylpyrazine and 2-Propyl-3,6-dimethylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.