Naproxen, 100 µg/ml, Methanol, 1ml

Triclosan (13C12,99%), 100µg/ml in MTBE, 1,2ml

1,2,3,4,6,7,9-Heptachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

2,3-Diethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.