发明人王建平,周伟,林芳. "Method for the Synthesis of Ethyl 4-(2-chloro-4-fluorophenyl)-4-oxobutanoate" [P]. 中国发明专利, 专利号 CN 116466384 A, 授权公告日 2019-07-04.
发明人李文辉,胡光,陈志强. "A Process for Preparing High-Purity Ethyl 4-(2-chloro-4-fluorophenyl)-4-oxobutanoate" [P]. 中国发明专利, 专利号 CN 113900068 B, 授权公告日 2019-04-04.
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