发明人赵玉洁,周伟,钱学锋. "一种奥希替尼杂质71的合成方法" [P]. 中国发明专利, 专利号 CN 112430056 A, 授权公告日 2020-03-01.
发明人马晓峰,徐明华,杨光. "Method for the Synthesis of Osimertinib Impurity 71" [P]. 中国发明专利, 专利号 CN 111824176 B, 授权公告日 2020-09-07.
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