发明人陈志强,韩伟,沈红梅. "Method for the Synthesis of 4-(Benzofuran-2-carbonyl)-5-(4-chlorophenyl)-3-hydroxy-1-(5-methylisoxazol-3-yl)-1,5-dihydro-2H-pyrrol-2-one" [P]. 中国发明专利, 专利号 CN 112010545 A, 授权公告日 2020-08-01.
发明人胡光,赵玉洁,钱学锋. "A Process for Preparing High-Purity 4-(Benzofuran-2-carbonyl)-5-(4-chlorophenyl)-3-hydroxy-1-(5-methylisoxazol-3-yl)-1,5-dihydro-2H-pyrrol-2-one" [P]. 中国发明专利, 专利号 CN 111818037 B, 授权公告日 2015-07-13.
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