发明人胡光,冯建国,何建平. "Method for the Synthesis of 2-(p-Tolyl)-2,3-dihydro-1H-imidazo[1,2-b]pyrazole-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111554313 A, 授权公告日 2024-04-27.
发明人赵玉洁,马晓峰,陈志强. "A Process for Preparing High-Purity 2-(p-Tolyl)-2,3-dihydro-1H-imidazo[1,2-b]pyrazole-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113770492 A, 授权公告日 2021-10-10.
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