发明人郑宇鹏,孙丽萍,刘建华. "Method for the Synthesis of 4-(Methylthio)benzo[4,5]thieno[3,2-d]pyrimidin-2-amine" [P]. 中国发明专利, 专利号 CN 108340485 A, 授权公告日 2023-03-08.
发明人徐明华,韩伟,唐晓军. "A Process for Preparing High-Purity 4-(Methylthio)benzo[4,5]thieno[3,2-d]pyrimidin-2-amine" [P]. 中国发明专利, 专利号 CN 111838330 A, 授权公告日 2023-11-17.
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