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发明人林芳,韩伟,高志强. "Method for the Synthesis of 6-Amino-3-methyl-4-propyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 112222241 A, 授权公告日 2023-05-20.
发明人李文辉,刘建华,周伟. "A Process for Preparing High-Purity 6-Amino-3-methyl-4-propyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 110084933 A, 授权公告日 2019-07-19.
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