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发明人冯建国,朱建伟,黄志刚. "A Process for Preparing High-Purity 2-({3-[(Isopropylamino)carbonyl]anilino}carbonyl)-benzoic acid
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C18H18N2O4" [P]. 中国发明专利, 专利号 CN 116303416 A, 授权公告日 2016-07-28.
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