17alpha-Ethynylestradiol,1000 µg/mL,MeOH,1mL,

Carvedilol-d4 (ethyl-d4), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1133705-56-2

5-Methylchrysene

Dibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 262-12-4