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

2-Ethyl-5-methyl- and 2-ethyl-6-methylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

(-)-Nicotine, 500mg

Perdeuterated n-alkane Mix, 1mg/ml in Isooctane, 1ml