发明人钱学锋,刘建华,郑宇鹏. "Method for the Synthesis of 4-Amino-1-ethyl-N-(2-hydroxyethyl)-1H-pyrazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 109979972 A, 授权公告日 2019-07-18.
发明人郑宇鹏,赵玉洁,唐晓军. "A Process for Preparing High-Purity 4-Amino-1-ethyl-N-(2-hydroxyethyl)-1H-pyrazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 112545642 A, 授权公告日 2016-06-01.
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