发明人何建平,郑宇鹏,孙丽萍. "Method for the Synthesis of 7-Methyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione" [P]. 中国发明专利, 专利号 CN 116263864 B, 授权公告日 2016-07-09.
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