发明人李文辉,林芳,徐明华. "Method for the Synthesis of Ethyl (1E)-N-(4-amino-1,2,5-oxadiazol-3-yl)-ethanimidoate" [P]. 中国发明专利, 专利号 CN 110515836 B, 授权公告日 2025-10-10.
发明人何建平,周伟,林芳. "A Process for Preparing High-Purity Ethyl (1E)-N-(4-amino-1,2,5-oxadiazol-3-yl)-ethanimidoate" [P]. 中国发明专利, 专利号 CN 108232977 A, 授权公告日 2015-11-04.
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