发明人周伟,罗永刚,郭海燕. "Method for the Synthesis of 4-Ethynyl-2,5-difluoropyridine" [P]. 中国发明专利, 专利号 CN 110687541 B, 授权公告日 2017-02-19.
发明人高志强,朱建伟,杨光. "A Process for Preparing High-Purity 4-Ethynyl-2,5-difluoropyridine" [P]. 中国发明专利, 专利号 CN 114443895 A, 授权公告日 2022-12-05.
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