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发明人杨光,孙丽萍,林芳. "Method for the Synthesis of ethyl 3-(pyridin-2-yl)-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 110665617 A, 授权公告日 2021-04-12.
发明人李文辉,罗永刚,孙丽萍. "A Process for Preparing High-Purity ethyl 3-(pyridin-2-yl)-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 115861802 A, 授权公告日 2020-09-15.
参考文献 Literature
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