发明人周伟,郭海燕,沈红梅. "Method for the Synthesis of 3-Carboethoxy-3-piperidinomethyl benzophenone" [P]. 中国发明专利, 专利号 CN 112833200 B, 授权公告日 2022-02-17.
发明人杨光,林芳,孙丽萍. "A Process for Preparing High-Purity 3-Carboethoxy-3-piperidinomethyl benzophenone" [P]. 中国发明专利, 专利号 CN 112478700 A, 授权公告日 2017-12-16.
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