发明人何建平,罗永刚,朱建伟. "一种阿哌沙班杂质64的合成方法" [P]. 中国发明专利, 专利号 CN 110379202 A, 授权公告日 2015-02-22.
发明人冯建国,郭海燕,王建平. "Method for the Synthesis of Apixaban Impurity 64" [P]. 中国发明专利, 专利号 CN 116863162 B, 授权公告日 2022-08-19.
发明人杨光,罗永刚,沈红梅. "A Process for Preparing High-Purity Apixaban Impurity 64" [P]. 中国发明专利, 专利号 CN 117158616 A, 授权公告日 2020-02-07.
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