发明人杨光,冯建国,张德明. "Method for the Synthesis of 4-Ethynyl-3,5-difluoropyridine" [P]. 中国发明专利, 专利号 CN 108844036 A, 授权公告日 2025-07-02.
发明人马晓峰,朱建伟,郭海燕. "A Process for Preparing High-Purity 4-Ethynyl-3,5-difluoropyridine" [P]. 中国发明专利, 专利号 CN 115085562 A, 授权公告日 2015-09-09.
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