Dodin

2,3,5-Trimethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 14667-55-1

Ethanol standard in serum,0.2g/L,serum, 1.5mL

Trichloroacetic acid, 100 µg/ml, Acetonitrile, 1