发明人孙丽萍,刘建华,杨光. "Method for the Synthesis of n,n,5,6-Tetramethylthieno[2,3-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 113244795 A, 授权公告日 2023-11-05.
发明人钱学锋,郑宇鹏,何建平. "A Process for Preparing High-Purity n,n,5,6-Tetramethylthieno[2,3-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 113201074 A, 授权公告日 2024-10-12.
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