Tris(2-butoxy-[13C2]-ethyl) phosphate, 1.2ml x 50ug/ml, toluene

2,5-Dimethylfuran, 100µg/mL, Solvent-, Unit 1mL, # of units-1, Cas.no. 625-86-5

Methyl quinoxaline-2-carboxylate

4-Ethylguaiacol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2785-89-9