发明人孙丽萍,钱学锋,郑宇鹏. "Method for the Synthesis of 1218764-82-9
Ethyl 6-fluoro-1H-pyrazolo-[3,4-b]pyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116591122 A, 授权公告日 2025-05-21.
发明人郭海燕,徐明华,王建平. "A Process for Preparing High-Purity 1218764-82-9
Ethyl 6-fluoro-1H-pyrazolo-[3,4-b]pyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113138439 A, 授权公告日 2024-12-28.
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