发明人陈志强,何建平,钱学锋. "Method for the Synthesis of 6-Amino-4-(4-methoxyphenyl)-3-methyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 110400714 A, 授权公告日 2020-03-22.
发明人郭海燕,郑宇鹏,杨光. "A Process for Preparing High-Purity 6-Amino-4-(4-methoxyphenyl)-3-methyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 111283970 A, 授权公告日 2025-09-01.
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