Chen K W, Davis P L, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 11996922 B2, 2023-08-19.
发明人何建平,黄志刚,郑宇鹏. "Method for the Synthesis of (E)-4-Ethylidene-5-methyl-3-(propan-2-ylidene)pyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 113966353 A, 授权公告日 2020-07-19.
发明人唐晓军,杨光,李文辉. "A Process for Preparing High-Purity (E)-4-Ethylidene-5-methyl-3-(propan-2-ylidene)pyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 114767681 A, 授权公告日 2017-10-06.
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