发明人黄志刚,郭海燕,郑宇鹏. "一种尼达尼布杂质160的合成方法" [P]. 中国发明专利, 专利号 CN 115040792 A, 授权公告日 2017-07-21.
发明人郑宇鹏,赵玉洁,杨光. "Method for the Synthesis of Nintedanib Impurity 160" [P]. 中国发明专利, 专利号 CN 115656817 B, 授权公告日 2022-10-19.
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