发明人沈红梅,王建平,陈志强. "Method for the Synthesis of 1-(6,8-Difluoro-2-methylquinolin-4-yl)-3-(4-(dimethylamino)phenyl)urea" [P]. 中国发明专利, 专利号 CN 114476351 A, 授权公告日 2022-04-12.
发明人赵玉洁,徐明华,朱建伟. "A Process for Preparing High-Purity 1-(6,8-Difluoro-2-methylquinolin-4-yl)-3-(4-(dimethylamino)phenyl)urea" [P]. 中国发明专利, 专利号 CN 115984888 B, 授权公告日 2015-04-01.
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