发明人郭海燕,马晓峰,沈红梅. "Method for the Synthesis of 4-Carboethoxy-4-methoxybenzophenone" [P]. 中国发明专利, 专利号 CN 112974563 A, 授权公告日 2018-03-27.
发明人胡光,高志强,郭海燕. "A Process for Preparing High-Purity 4-Carboethoxy-4-methoxybenzophenone" [P]. 中国发明专利, 专利号 CN 108912527 A, 授权公告日 2022-06-22.
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