发明人李文辉,周伟,高志强. "Method for the Synthesis of Methyl (2Z)-2-[2-(4-fluorophenyl)hydrazin-1-ylidene]-3-oxobutanoate" [P]. 中国发明专利, 专利号 CN 115924421 A, 授权公告日 2020-09-25.
发明人杨光,韩伟,张德明. "A Process for Preparing High-Purity Methyl (2Z)-2-[2-(4-fluorophenyl)hydrazin-1-ylidene]-3-oxobutanoate" [P]. 中国发明专利, 专利号 CN 114081613 A, 授权公告日 2024-01-10.
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