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

EPA Method 8290 Calibration Kit, 5 ampoules, nonane

17-Hydroxyprogesterone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 68-96-2

2,3,3',5,5'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane