发明人李文辉,冯建国,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116341954 A, 授权公告日 2024-08-04.
发明人张德明,韩伟,钱学锋. "Method for the Synthesis of 6-Amino-3-methyl-4-(pyridin-4-yl)-1-(p-tolyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 116327588 B, 授权公告日 2018-06-27.
发明人徐明华,郭海燕,韩伟. "A Process for Preparing High-Purity 6-Amino-3-methyl-4-(pyridin-4-yl)-1-(p-tolyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 116573997 B, 授权公告日 2018-05-03.
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