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

6-Nitrochrysene-d11, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 203805-92-9

Sodium 1H,1H,2H,2H-perfluorodecane sulfonate (8:2), 50µg/ml in MeOH, 1,2ml

N-Desmethyl-cis-tramadol HCl, 1000μg/ml in MeOH, 1ml