发明人罗永刚,郑宇鹏,徐明华. "Method for the Synthesis of 4-Bromo-5-chloro-2-cyano-3-(difluoromethyl)pyridine" [P]. 中国发明专利, 专利号 CN 113574361 A, 授权公告日 2023-08-10.
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