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发明人赵玉洁,郑宇鹏,钱学锋. "Method for the Synthesis of 3-Cyano-4-[(3-chloro-4-fluorophenyl)amino]-6-[[4-(N,N-dimethylamino)-1-oxo-2-buten-1-yl]amino]-7-ethoxyquinoline" [P]. 中国发明专利, 专利号 CN 111270773 A, 授权公告日 2019-07-24.
发明人张德明,何建平,朱建伟. "A Process for Preparing High-Purity 3-Cyano-4-[(3-chloro-4-fluorophenyl)amino]-6-[[4-(N,N-dimethylamino)-1-oxo-2-buten-1-yl]amino]-7-ethoxyquinoline" [P]. 中国发明专利, 专利号 CN 116997784 A, 授权公告日 2023-01-18.
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