发明人张德明,冯建国,林芳. "Method for the Synthesis of 4,6-Dichloropyrazolo[1,5-a]pyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 108556424 B, 授权公告日 2017-02-07.
Lefèvre J P, Nowak P, Schröder R. "A Process for Preparing High-Purity 4,6-Dichloropyrazolo[1,5-a]pyridine-3-carbonitrile" [P]. European Patent, EP 3575305 A1, 2015-06-01.
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