发明人杨光,孙丽萍,陈志强. "一种依托芬那酯的合成方法" [P]. 中国发明专利, 专利号 CN 113962492 A, 授权公告日 2017-05-08.
发明人唐晓军,何建平,林芳. "Method for the Synthesis of Etofenamate" [P]. 中国发明专利, 专利号 CN 111189398 A, 授权公告日 2018-06-22.
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