6-tert-Butyl-8-fluoro-2-(2-hydroxymethyl-3-{1-methyl-5-[6-(1-methyl-piperidin-4-yl)-pyridazin-3-ylamino]-6-oxo-1,6-dihydro-pyridazin-3-yl}-phenyl)-2H-phthalazin-1-one (HCID 56656052)|Huagongshe