发明人郑宇鹏,周伟,唐晓军. "Method for the Synthesis of 3-(2-Oxo-6-sulfamoyl-2,3-dihydro-1,3-benzoxazol-3-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 108756899 B, 授权公告日 2019-09-13.
发明人高志强,韩伟,郭海燕. "A Process for Preparing High-Purity 3-(2-Oxo-6-sulfamoyl-2,3-dihydro-1,3-benzoxazol-3-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 116767677 A, 授权公告日 2022-11-04.
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