发明人张德明,陈志强,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109668669 A, 授权公告日 2017-01-11.
发明人杨光,黄志刚,王建平. "Method for the Synthesis of 5-Ethyl-3-(4-methoxy-3-methylphenyl)-1,2,4-oxadiazole" [P]. 中国发明专利, 专利号 CN 113595820 A, 授权公告日 2021-06-26.
发明人林芳,唐晓军,郑宇鹏. "A Process for Preparing High-Purity 5-Ethyl-3-(4-methoxy-3-methylphenyl)-1,2,4-oxadiazole" [P]. 中国发明专利, 专利号 CN 111730202 B, 授权公告日 2023-06-22.
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