发明人马晓峰,林芳,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111765221 A, 授权公告日 2024-02-22.
发明人何建平,胡光,刘建华. "Method for the Synthesis of 7-Amino-3-cyclobutyl-4-oxo-1,4-dihydropyrazolo[5,1-c][1,2,4]triazine-8-carbonitrile" [P]. 中国发明专利, 专利号 CN 117400683 A, 授权公告日 2015-04-23.
发明人郭海燕,马晓峰,杨光. "A Process for Preparing High-Purity 7-Amino-3-cyclobutyl-4-oxo-1,4-dihydropyrazolo[5,1-c][1,2,4]triazine-8-carbonitrile" [P]. 中国发明专利, 专利号 CN 109496837 B, 授权公告日 2018-08-05.
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