Synonyms: BRN 0621044;2,7-Diphenyl-5-methyl-1,6-dihydro-4H-pyrrolo(3,4-d)pyrimidin-4-one;4H-Pyrrolo(3,4-d)pyrimidin-4-one, 1,6-dihydro-2,7-diphenyl-5-methyl-;AC1MIHHN;LS-139622;5-methyl-2,7-diphenyl-1,6-dihydropyrrolo[3,4-d]pyrimidin-4-one;57436-33-6