发明人李文辉,王建平,赵玉洁. "Method for the Synthesis of 1-(2-Cyanoethyl)-3-(4-methoxy-3-nitrophenyl)-1h-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113101449 A, 授权公告日 2016-06-01.
Brown S R, Kumar R, Yamamoto T. "A Process for Preparing High-Purity 1-(2-Cyanoethyl)-3-(4-methoxy-3-nitrophenyl)-1h-pyrazole-4-carboxylic acid" [P]. US Patent, US 10707081 B2, 2018-01-26.
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