发明人徐明华,赵玉洁,李文辉. "Method for the Synthesis of Ethyl 3-(6-hydroxypyridazin-3-yl)propanoate" [P]. 中国发明专利, 专利号 CN 116938552 B, 授权公告日 2019-11-12.
Roberts E F, Davis P L, Brown S R. "A Process for Preparing High-Purity Ethyl 3-(6-hydroxypyridazin-3-yl)propanoate" [P]. US Patent, US 10763721 B2, 2018-06-23.
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