发明人陈志强,胡光,郭海燕. "Method for the Synthesis of Ethyl 5-nitropyrazolo[1,5-a]pyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116823887 B, 授权公告日 2019-05-19.
发明人刘建华,何建平,高志强. "A Process for Preparing High-Purity Ethyl 5-nitropyrazolo[1,5-a]pyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111714863 B, 授权公告日 2017-03-10.
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