发明人郭海燕,周伟,张德明. "Method for the Synthesis of Ethyl 7-methoxy-2-(trifluoromethyl)pyrazolo[1,5-a]pyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113598997 A, 授权公告日 2019-02-11.
发明人罗永刚,沈红梅,黄志刚. "A Process for Preparing High-Purity Ethyl 7-methoxy-2-(trifluoromethyl)pyrazolo[1,5-a]pyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110858205 B, 授权公告日 2018-12-17.
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