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发明人杨光,张德明,罗永刚. "Method for the Synthesis of Ethyl 5-bromo-1-(pyridin-4-yl)-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 110726965 A, 授权公告日 2024-08-14.
发明人杨光,周伟,沈红梅. "A Process for Preparing High-Purity Ethyl 5-bromo-1-(pyridin-4-yl)-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 116938797 B, 授权公告日 2022-09-02.
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