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发明人冯建国,黄志刚,林芳. "Method for the Synthesis of 4-Hydrazino-8-methyl-5H-pyrimido[5,4-b]indole" [P]. 中国发明专利, 专利号 CN 108006785 B, 授权公告日 2015-07-15.
发明人钱学锋,林芳,唐晓军. "A Process for Preparing High-Purity 4-Hydrazino-8-methyl-5H-pyrimido[5,4-b]indole" [P]. 中国发明专利, 专利号 CN 116314038 A, 授权公告日 2024-02-25.
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