USP Zalcitabine RS— Do not dry.Keep container tightly closed,protected from light.

USP Zalcitabine Related Compound A RS [2¢,3¢-Didehydro-2¢,3¢-dideoxycytidine] .

USP Zidovudine RS— Do not dry.For quantitative applications determine the water content titrimetrically at the time of use.Keep container tightly closed and protected from light.

USP Zidovudine Related Compound B RS [3¢-chloro-3¢-deoxythymidine] (C10H13ClN2O4 260.68) —Do not dry before using.Keep container tightly closed and protected from light.

USP Zidovudine Related Compound C RS [thymine] (C5H6N2O2 126.12) —Do not dry before using.Keep container tightly closed and protected from light.

USP Zileuton RS— Do not dry.Keep container tightly closed.Store at room temperature under nitrogen.Protect from light.

USP Zileuton Related Compound A RS [N-(1-Benzo-[b]thien-2-ylethyl)urea] (C11H12N2OS 220.30) —Do not dry.Keep container tightly closed.Store at room temperature under nitrogen.Protect from light.

USP Zileuton Related Compound B RS [2-(Benzo[b]thien-2-oyl)benzo[b]thiopene] (C17H10OS2 294.40) —Do not dry.Keep container tightly closed.Store at room temperature under nitrogen.Protect from light.

USP Zileuton Related Compound C RS [1-Benzo-[b]thien-2-ylethanone] (C10H8OS 176.24) —Do not dry.Keep container tightly closed.Store at room temperature under nitrogen.Protect from light.

USP Zolazepam Hydrochloride RS— Do not dry.Keep container tightly closed.