发明人钱学锋,胡光,黄志刚. "Method for the Synthesis of Methyl 4-chloro-2-methylthieno[2,3-d]pyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 111723264 A, 授权公告日 2019-04-27.
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