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

1,2,3,4-Tetrachlorobenzene, 1000µg/mL in Isooctane, 1ml

Propamocarb-N-desmethyl hydrochloride, 100 µg/ml,

SDWA UV 254 Absorbance/ DOC