发明人王建平,杨光,高志强. "Method for the Synthesis of 3-Hydroxy-1-(o-tolyl)-1H-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108946995 B, 授权公告日 2025-06-20.
Klinger H, Lee S K, Williams B T. "A Process for Preparing High-Purity 3-Hydroxy-1-(o-tolyl)-1H-pyrazole-5-carboxylic acid" [P]. US Patent, US 10078386 B2, 2020-05-15.
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