发明人郭海燕,罗永刚,徐明华. "Method for the Synthesis of 4-(Difluoromethoxy)-3-fluoro-3'-(trifluoromethoxy)-1,1'-biphenyl" [P]. 中国发明专利, 专利号 CN 117069431 A, 授权公告日 2023-12-03.
发明人杨光,朱建伟,孙丽萍. "A Process for Preparing High-Purity 4-(Difluoromethoxy)-3-fluoro-3'-(trifluoromethoxy)-1,1'-biphenyl" [P]. 中国发明专利, 专利号 CN 113032282 B, 授权公告日 2017-06-21.
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