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发明人赵玉洁,马晓峰,周伟. "A Process for Preparing High-Purity 6-(Pyrazin-2-yl)thieno[3,2-b]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116275819 B, 授权公告日 2019-03-09.
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