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发明人罗永刚,杨光,冯建国. "Method for the Synthesis of (1r,4s,6s)-5-(Tert-butoxycarbonyl)-7-(trifluoromethyl)-2-oxa-5-azabicyclo[4.1.0]heptane-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109695086 A, 授权公告日 2019-03-19.
发明人沈红梅,黄志刚,朱建伟. "A Process for Preparing High-Purity (1r,4s,6s)-5-(Tert-butoxycarbonyl)-7-(trifluoromethyl)-2-oxa-5-azabicyclo[4.1.0]heptane-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116314441 B, 授权公告日 2015-09-14.
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