发明人赵玉洁,沈红梅,孙丽萍. "一种3-氯-1H-吡唑[3,4-c]吡啶-5-羧酸乙酯的合成方法" [P]. 中国发明专利, 专利号 CN 109151532 A, 授权公告日 2018-04-19.
发明人高志强,钱学锋,郑宇鹏. "Method for the Synthesis of Ethyl 3-chloro-1H-pyrazolo[3,4-c]pyridine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 108159734 B, 授权公告日 2023-07-09.
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