发明人郭海燕,马晓峰,王建平. "Method for the Synthesis of Ethyl 3-[(phenylsulfonyl)methyl]-1,2,4-oxadiazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 109479824 B, 授权公告日 2019-07-10.
发明人高志强,韩伟,马晓峰. "A Process for Preparing High-Purity Ethyl 3-[(phenylsulfonyl)methyl]-1,2,4-oxadiazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 116933846 B, 授权公告日 2025-04-28.
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