发明人黄志刚,杨光,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117946938 A, 授权公告日 2018-04-14.
发明人陈志强,韩伟,冯建国. "Method for the Synthesis of 3-[2-oxo-6-(pyrrolidine-1-sulfonyl)-2,3-dihydro-1,3-benzoxazol-3-yl]propanoic acid" [P]. 中国发明专利, 专利号 CN 113283849 A, 授权公告日 2024-12-07.
发明人冯建国,韩伟,孙丽萍. "A Process for Preparing High-Purity 3-[2-oxo-6-(pyrrolidine-1-sulfonyl)-2,3-dihydro-1,3-benzoxazol-3-yl]propanoic acid" [P]. 中国发明专利, 专利号 CN 109736062 B, 授权公告日 2018-05-07.
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