zolazepam and its Impurities

Zolazepam is a pyrazolodiazepinone derivative used as an anaesthetic in veterinary medicine. It is a pyrazolodiazepinone derivative structurally related to the benzodiazepine drugs, Reference standards of Zolazepam API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.