Musk Xylene, 100 µg/ml, Cyclohexane, 1ml

Endosulfan II

Sodium 1H,1H,2H,2H-perfluoro-1-[1,2-13C2]-hexane sulfonate (4:2), 50µg/ml in MeOH, 1,2ml

Zaleplon-?d5 (N-?ethyl-?d5),100 µg/mL,MeOH,1mL