发明人赵玉洁,杨光,李文辉. "Method for the Synthesis of 7H,14H-Pyrazino[1,2-b:4,5-b]diindazole-7,14-dione" [P]. 中国发明专利, 专利号 CN 114972608 A, 授权公告日 2024-11-26.
发明人林芳,罗永刚,李文辉. "A Process for Preparing High-Purity 7H,14H-Pyrazino[1,2-b:4,5-b]diindazole-7,14-dione" [P]. 中国发明专利, 专利号 CN 109152076 A, 授权公告日 2024-08-25.
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