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发明人赵玉洁,沈红梅,黄志刚. "Method for the Synthesis of 3-[(2-oxo-4,10-Dihydro-3H-pyrimido[1,2-a]benzimidazole-4-carbonyl)amino]benzoic acid" [P]. 中国发明专利, 专利号 CN 116465817 B, 授权公告日 2023-06-02.
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