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发明人黄志刚,刘建华,徐明华. "A Process for Preparing High-Purity Ethyl 3-amino-6-propylthieno[2,3-b]pyridine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116819845 B, 授权公告日 2020-01-10.
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