发明人王建平,郭海燕,唐晓军. "Method for the Synthesis of Alverine Citrate-Impurity E" [P]. 中国发明专利, 专利号 CN 112271475 B, 授权公告日 2018-05-08.
Thompson G K, Brown S R, Mueller T. "A Process for Preparing High-Purity Alverine Citrate-Impurity E" [P]. US Patent, US 10940995 B2, 2017-01-05.
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