O-Desmethylvenlafaxine,100 µg/mL,MeOH,1mL,

Di-n-butyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93952-11-5

Arsenic (As)

Piperophos, 100 µg/ml, Acetonitrile, 1ml