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发明人李文辉,沈红梅,黄志刚. "Method for the Synthesis of 2-(3-Nitro-2-(2-nitrophenyl)-4-oxo-4H-chromen-8-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 115769459 A, 授权公告日 2021-06-15.
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