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betahistine α-picoline 2-(2-Hydroxyethyl)pyridine 2-vinylpyridine 专利信息
专利号:CN-117476120-A
优先权日:2023-10-23
标题:A synthesis method of betahistine hydrochloride, a standardized evaluation method and device for synthesis parameters
专利号:CN-117476120-B
优先权日:2023-10-23
标 题 :A synthesis method of betahistine hydrochloride, a standardized evaluation method and device for synthesis parameters
专利号:CN-108117512-A
优先权日:2018-03-02
标题:A kind of preparation method of industrial synthesis betahistine hydrochloride crude drug
专利号:CN-118530167-A
优先权日:2024-05-14
标 题 :Synthesis method of betahistine and mesylate thereof and product
专利号:CN-111875537-A
优先权日:2020-06-09
标题 :A kind of betahistine synthesis method
专利号:CN-111875537-B
优先权日:2020-06-09
标 题 :A kind of betahistine synthesis method