发明人郭海燕,赵玉洁,李文辉. "Method for the Synthesis of Ethyl 1-(2,4-dinitrophenyl)-5-methyl-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 108895996 B, 授权公告日 2021-11-05.
发明人何建平,马晓峰,冯建国. "A Process for Preparing High-Purity Ethyl 1-(2,4-dinitrophenyl)-5-methyl-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 114867595 B, 授权公告日 2018-02-01.
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