(-)-Captopril,100 µg/mL,MeOH,1mL,

Spiroxamine, 100 µg/ml, Acetonitrile, 5ml

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

Acetaminophene-d4 (Paracetamol-d4), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 64315-36-2