7-((1-Aminocyclopropyl)methoxy)-4-((4-fluoro-2-methyl-1H-indol-5-yl)oxy)quinolin-6-ol; 7-[(1-Aminocyclopropyl)methoxy]-4-[(4-fluoro-2-methyl-1H-indol-5-yl)oxy]-6-Quinolinol; 6-Quinolinol, 7-[(1-aminocyclopropyl)methoxy]-4-[(4-fluoro-2-methyl-1H-indol-5-yl)oxy]; Anlotinib Impurity B; 6-Quinolinol, 7-[(1-aminocyclopropyl)methoxy]-4-[(4-fluoro-2-methyl-1H-indol-5-yl)oxy]-