发明人郭海燕,冯建国,何建平. "Method for the Synthesis of (E)-5-Chloro-3-((5-(3-(4-methyl-1,4-diazepane-1-carbonyl)phenyl)furan-2-yl)methylene)indolin-2-one" [P]. 中国发明专利, 专利号 CN 110303201 A, 授权公告日 2017-03-25.
发明人沈红梅,周伟,林芳. "A Process for Preparing High-Purity (E)-5-Chloro-3-((5-(3-(4-methyl-1,4-diazepane-1-carbonyl)phenyl)furan-2-yl)methylene)indolin-2-one" [P]. 中国发明专利, 专利号 CN 114266248 B, 授权公告日 2017-03-12.
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