发明人周伟,钱学锋,冯建国. "Method for the Synthesis of Methyl 3-(2,6-difluorophenylcarbamoyl)-4-hydroxybenzoate" [P]. 中国发明专利, 专利号 CN 108683589 B, 授权公告日 2015-08-08.
O'Brien P Q, Mueller T, Anderson J P. "A Process for Preparing High-Purity Methyl 3-(2,6-difluorophenylcarbamoyl)-4-hydroxybenzoate" [P]. US Patent, US 9731294 B2, 2023-12-08.
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