IUPAC:2-{3,5-dichloro-4-[(4-oxo-3,4-dihydrophthalazin-1-yl)oxy]phenyl}-3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazine-6-carbonitrile
IUPAC:2-{3,5-dichloro-4-[(4-oxo-3,4-dihydrophthalazin-1-yl)oxy]phenyl}-3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazine-6-carbonitrile