发明人赵玉洁,罗永刚,冯建国. "Method for the Synthesis of 2-(2-Chlorobenzylidene)benzofuran-3(2H)-one" [P]. 中国发明专利, 专利号 CN 109461405 A, 授权公告日 2018-02-10.
Lee S K, Davis P L, Kumar R. "A Process for Preparing High-Purity 2-(2-Chlorobenzylidene)benzofuran-3(2H)-one" [P]. US Patent, US 10380873 B2, 2020-06-08.
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