发明人王建平,张德明,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109852293 A, 授权公告日 2020-04-15.
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Brown S R, Lee S K, Thompson G K. "A Process for Preparing High-Purity 3-(Ethoxycarbonyl)-5-methyl-1-(4-nitrophenyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid" [P]. US Patent, US 10647564 B2, 2018-09-15.
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