发明人陈志强,郭海燕,唐晓军. "Method for the Synthesis of 4-Bromo-3-chloro-2-fluoro-7,7-dimethyl-7,8-dihydro-5H-pyrano[4,3-b]pyridine" [P]. 中国发明专利, 专利号 CN 114908310 A, 授权公告日 2016-08-21.
发明人郭海燕,李文辉,冯建国. "A Process for Preparing High-Purity 4-Bromo-3-chloro-2-fluoro-7,7-dimethyl-7,8-dihydro-5H-pyrano[4,3-b]pyridine" [P]. 中国发明专利, 专利号 CN 113810925 B, 授权公告日 2017-01-22.
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