发明人张德明,罗永刚,林芳. "Method for the Synthesis of 5-(Difluoromethoxy)-2,3-difluorobenzamide" [P]. 中国发明专利, 专利号 CN 114935026 A, 授权公告日 2020-02-03.
发明人何建平,刘建华,沈红梅. "A Process for Preparing High-Purity 5-(Difluoromethoxy)-2,3-difluorobenzamide" [P]. 中国发明专利, 专利号 CN 109804982 A, 授权公告日 2016-11-14.
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