发明人冯建国,陈志强,罗永刚. "Method for the Synthesis of (E)-2-Benzylidene-1-methylindolin-3-one" [P]. 中国发明专利, 专利号 CN 114971295 A, 授权公告日 2019-10-24.
发明人赵玉洁,杨光,王建平. "A Process for Preparing High-Purity (E)-2-Benzylidene-1-methylindolin-3-one" [P]. 中国发明专利, 专利号 CN 111423629 A, 授权公告日 2016-07-21.
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