发明人张德明,赵玉洁,马晓峰. "Method for the Synthesis of ethyl 5-chloro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116494105 A, 授权公告日 2021-06-12.
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