发明人黄志刚,周伟,张德明. "Method for the Synthesis of Ethyl 5-bromo-1-(4-nitrophenyl)-1h-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 108222307 B, 授权公告日 2022-08-17.
发明人陈志强,郑宇鹏,胡光. "A Process for Preparing High-Purity Ethyl 5-bromo-1-(4-nitrophenyl)-1h-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 114681199 A, 授权公告日 2024-06-07.
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