发明人唐晓军,钱学锋,赵玉洁. "Method for the Synthesis of 4-Hydroxy-1-(4-methylphenyl)-1h-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110906548 A, 授权公告日 2018-01-16.
发明人郑宇鹏,韩伟,李文辉. "A Process for Preparing High-Purity 4-Hydroxy-1-(4-methylphenyl)-1h-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108575192 B, 授权公告日 2020-01-15.
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