3-[4-(6,7-dimethoxyquinolin-4-yl)oxy-2-methoxyphenyl]-1-[1-(1,3-thiazol-2-yl)ethyl]urea 3-[4-[(6,7-dimethoxy-4-quinolyl)oxy]-2-methoxy-phenyl]-1-(1-thiazol-2-ylethyl)urea 3-[4-[(6,7-dimethoxy-4-quinolyl)oxy]-2-methoxyphenyl]-1-[1-(2-thiazolyl)ethyl]urea 3-[4-(6,7-dimethoxyquinolin-4-yl)oxy-2-methoxy-phenyl]-1-[1-(1,3-thiazol-2-yl)ethyl]urea