1,2,3,4-Tetrahydro-N-phenyl-2,3-phthalazindicarboximid

6-Methyl-14-phenyl-4,6,8,12,14,16-hexaazapentacyclo<9.5.2.02,10.04,8.012,16>octadeca-2(10),17-dien-5,7,13,15-tetron