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发明人孙丽萍,周伟,赵玉洁. "A Process for Preparing High-Purity N-(4-chloro-6-(ethylamino)pyrimidin-5-yl)-2-methylpyrimidine-5-carboxamide" [P]. 中国发明专利, 专利号 CN 115392709 B, 授权公告日 2021-12-02.
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