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发明人赵玉洁,韩伟,郭海燕. "Method for the Synthesis of 3-Ethyl-2-(4-methylthiazol-2-yl)-4H-pyrido[1,2-a]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 114870564 A, 授权公告日 2015-08-04.
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