发明人王建平,罗永刚,杨光. "Method for the Synthesis of 2-(Trifluoromethyl)-1,3-benzoxazole-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108563550 A, 授权公告日 2019-01-04.
Martínez F, Kowalski A, Mueller T C. "A Process for Preparing High-Purity 2-(Trifluoromethyl)-1,3-benzoxazole-6-carboxylic acid" [P]. European Patent, EP 3159151 A1, 2022-06-13.
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