发明人罗永刚,朱建伟,周伟. "Method for the Synthesis of 7-Amino-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 112574268 A, 授权公告日 2019-08-02.
发明人陈志强,郭海燕,林芳. "A Process for Preparing High-Purity 7-Amino-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 114033610 A, 授权公告日 2024-03-17.
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