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发明人马晓峰,朱建伟,郑宇鹏. "Method for the Synthesis of Methyl 7-nitro-5-oxo-3,5-dihydro-2H-oxazolo[2,3-b]quinazoline-8-carboxylate" [P]. 中国发明专利, 专利号 CN 109742911 A, 授权公告日 2025-07-16.
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