发明人林芳,冯建国,刘建华. "Method for the Synthesis of 1253791-15-9
3185AD
7-Phenyl-1H-pyrimido[4,5-d][1,3]oxazine-2,4-dione
C12H7N3O3" [P]. 中国发明专利, 专利号 CN 115269243 A, 授权公告日 2021-08-06.
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