发明人李文辉,沈红梅,徐明华. "Method for the Synthesis of (6-Chloro-2-oxo-1,3-benzoxazol-3(2H)-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 108305968 A, 授权公告日 2022-11-07.
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