Acetic acid 2-(6-tert-butyl-8-fluoro-1-oxo-1H-phthalazin-2-yl)-6-[5-(5-ethanesulfonyl-pyridin-2-ylamino)-1-methyl-6-oxo-1,6-dihydro-pyridazin-3-yl]-benzyl ester
6-tert-butyl-2-{3-[5-(5-(ethanesulfonyl)pyridin-2-ylamino)-1-methyl-6-oxo-1,6-dihydropyridazin-3-yl]-2-(hydroxymethyl)phenyl}-8-fluoro-2H-phthalazin-1-one
5-(ethylthio)pyridin-2-amine
6-tert-Butyl-8-fluoro-2-(3-{5-[5-(2-hydroxy-ethanesulfonyl)-pyridin-2-ylamino]-1-methyl-6-oxo-1,6-dihydro-pyridazin-3-yl}-2-hydroxymethyl-phenyl)-2H-phthalazin-1-one
6-tert-Butyl-8-fluoro-2-(3-{5-[5-(2-hydroxy-ethylsulfanyl)-pyridin-2-ylamino]-1-methyl-6-oxo-1,6-dihydro-pyridazin-3-yl}-2-hydroxymethyl-phenyl)-2H-phthalazin-1-one