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发明人孙丽萍,林芳,黄志刚. "Method for the Synthesis of 4-Hydrazino-5-(4-methoxyphenyl)thieno[2,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 111573585 B, 授权公告日 2021-01-08.
发明人刘建华,杨光,朱建伟. "A Process for Preparing High-Purity 4-Hydrazino-5-(4-methoxyphenyl)thieno[2,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 116227419 A, 授权公告日 2021-05-09.
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