发明人高志强,朱建伟,郑宇鹏. "一种甘罗溴铵EP杂质O的合成方法" [P]. 中国发明专利, 专利号 CN 113983497 A, 授权公告日 2022-08-13.
发明人陈志强,赵玉洁,郑宇鹏. "Method for the Synthesis of Glycopyrronium Bromide EP Impurity O" [P]. 中国发明专利, 专利号 CN 108939770 A, 授权公告日 2025-01-07.
发明人王建平,杨光,张德明. "A Process for Preparing High-Purity Glycopyrronium Bromide EP Impurity O" [P]. 中国发明专利, 专利号 CN 115034866 A, 授权公告日 2015-08-12.
参考文献 Literature
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