Formaldehyde (0.5 ppm)

18 alpha(H)-Oleanane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 30759-92-3

ac 3,4-Dihydroxymandelic Acid-d3, 10mg

Propoxyphene hydrochloride, 100µg/mL, Solvent-acetone, Unit 1mL, # of units-1, Cas.no. 1639-60-7