发明人徐明华,郑宇鹏,罗永刚. "一种米诺环素EP杂质B盐酸盐的合成方法" [P]. 中国发明专利, 专利号 CN 114671334 A, 授权公告日 2019-08-22.
发明人唐晓军,刘建华,徐明华. "Method for the Synthesis of Minocycline EP Impurity B HCl" [P]. 中国发明专利, 专利号 CN 117733125 B, 授权公告日 2023-03-22.
发明人刘建华,钱学锋,陈志强. "A Process for Preparing High-Purity Minocycline EP Impurity B HCl" [P]. 中国发明专利, 专利号 CN 114214435 A, 授权公告日 2015-02-11.
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