1,2,3,5-Tetrachlorobenzene, 100 µg/ml, Methanol,

Perfluorooctane sulfonic acid , 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1763-23-1

3',4'-Dichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

2-Ethyl-5-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 13360-64-0