发明人韩伟,钱学锋,胡光. "Method for the Synthesis of Ethyl 5-[(diethylcarbamoyl)methyl]-4-oxo-4h,5h-[1,2]oxazolo[5,4-d]pyrimidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110483121 A, 授权公告日 2023-04-14.
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