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发明人胡光,李文辉,朱建伟. "Method for the Synthesis of 5-Chloro-2-oxo-2,3-dihydro-1,3-benzoxazole-6-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 111967510 B, 授权公告日 2016-06-12.
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