发明人罗永刚,胡光,钱学锋. "Method for the Synthesis of Ethyl 3-bromo-1,4-dimethyl-1H-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 110549840 B, 授权公告日 2024-04-09.
发明人李文辉,徐明华,刘建华. "A Process for Preparing High-Purity Ethyl 3-bromo-1,4-dimethyl-1H-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 108848465 A, 授权公告日 2021-05-01.
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