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PROCESS FOR PURIFICTION OF PROMETHAZINE HYDROCHLORIDE
PROCESS FOR PURIFICTION OF PROMETHAZINE HYDROCHLORIDE
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机译:盐酸异丙嗪的纯化方法
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摘要
Disclosed herein is a cost effective process for purification of Promethazine hydrochloride (Figure II) free from its undesired isomer (Figure I) by solvent crystallization.
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