发明人高志强,陈志强,何建平. "Method for the Synthesis of 4h,5h,6h,7h,8h-Cyclohepta[d][1,2]oxazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108793976 B, 授权公告日 2018-04-11.
发明人黄志刚,冯建国,郑宇鹏. "A Process for Preparing High-Purity 4h,5h,6h,7h,8h-Cyclohepta[d][1,2]oxazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113446008 A, 授权公告日 2019-10-14.
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