发明人张德明,林芳,徐明华. "Method for the Synthesis of 6-Amino-1-(4-bromophenyl)-4-(4-fluorophenyl)-3-methyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 108186887 A, 授权公告日 2019-05-17.
发明人杨光,李文辉,韩伟. "A Process for Preparing High-Purity 6-Amino-1-(4-bromophenyl)-4-(4-fluorophenyl)-3-methyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 108287903 A, 授权公告日 2023-09-11.
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