发明人徐明华,郑宇鹏,冯建国. "一种托伐替尼杂质11的合成方法" [P]. 中国发明专利, 专利号 CN 112573937 A, 授权公告日 2015-04-05.
发明人赵玉洁,郑宇鹏,胡光. "Method for the Synthesis of Tofacitinib Impurity 11" [P]. 中国发明专利, 专利号 CN 113585694 B, 授权公告日 2020-10-19.
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