发明人高志强,林芳,李文辉. "Method for the Synthesis of ethyl 2-hydrazinyl-4-methylpyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 111244962 B, 授权公告日 2021-03-12.
发明人何建平,黄志刚,唐晓军. "A Process for Preparing High-Purity ethyl 2-hydrazinyl-4-methylpyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 116476363 A, 授权公告日 2025-02-18.
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