5-amino-3,4-dihydro-3-(4-methoxyphenyl)-4-oxo-thieno[3,4-d]pyridazine-1-carboxylic acid

[5-cyano-1-(4-methoxy-phenyl)-4-methyl-6-oxo-1,6-dihydro-pyridazin-3-yl]carbamic acid tert-butyl ester

N-(3-fluoro-4-((6-methoxy-7-(3-(piperidin-1-yl)propoxy)quinolin-4-yl)oxy)phenyl)-1-(4-methoxyphenyl)-4-methyl-6-oxo-1,6-dihydropyridazine-3-carboxamide

N-(3-fluoro-4-((6-methoxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinolin-4-yl)oxy)phenyl)-1-(4-methoxyphenyl)-4-methyl-6-oxo-1,6-dihydropyridazine-3-carboxamide

N-(3-fluoro-4-((6-methoxy-7-(3-morpholinopropoxy)quinolin-4-yl)oxy)phenyl)-1-(4-methoxyphenyl)-4-methyl-6-oxo-1,6-dihydropyridazine-3-carboxamide