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Benzodiazepine derivative hydrochloride and crystal form, preparation method, and application thereof
Benzodiazepine derivative hydrochloride and crystal form, preparation method, and application thereof
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机译:苯二氮卓衍生物盐酸盐和晶型,制备方法和应用
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摘要
The present invention provides a benzodiazepine derivative hydrochloride represented by formula I or a crystal structure of an ethanolate thereof, wherein R is methyl or ethyl. The present invention further provides a method for preparing a crystal form of the compound represented by formula I, and a pharmaceutical composition comprising the crystal form.
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