发明人李文辉,沈红梅,何建平. "一种N-亚硝基尼麦角林杂质25的合成方法" [P]. 中国发明专利, 专利号 CN 115509348 A, 授权公告日 2021-02-26.
发明人冯建国,朱建伟,赵玉洁. "Method for the Synthesis of N-Nitroso Nicergoline Impurity 25" [P]. 中国发明专利, 专利号 CN 113899485 B, 授权公告日 2017-08-23.
发明人沈红梅,陈志强,黄志刚. "A Process for Preparing High-Purity N-Nitroso Nicergoline Impurity 25" [P]. 中国发明专利, 专利号 CN 113106882 B, 授权公告日 2021-03-26.
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