发明人何建平,韩伟,高志强. "Method for the Synthesis of 2-(Ethylsulfonyl)isonicotinic acid" [P]. 中国发明专利, 专利号 CN 111758916 A, 授权公告日 2025-06-16.
Davis P L, Williams B T, Yamamoto T. "A Process for Preparing High-Purity 2-(Ethylsulfonyl)isonicotinic acid" [P]. US Patent, US 10671400 B2, 2018-08-05.
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