发明人郑宇鹏,高志强,郭海燕. "Method for the Synthesis of 2-(Methylsulfonyl)pyrido[2,3-d]pyrimidin-7(1H)-one" [P]. 中国发明专利, 专利号 CN 109673074 B, 授权公告日 2017-03-14.
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