SEARCH Articles Figures Tables 3- pyrrolo Carbazole-5,7 -dione 5//-indolo pyrrolo Hexahydro-3- pyrrolo pyrazine-1,4-dione Pyrrolo benzodiazepin-4,6-dione Pyrrolo benzodiazepine-5,11 diones Pyrrolo benzodiazepine5,11-dione Pyrrolo indole-4,8-dione ring Pyrrolo oxazine-1,4-diones Pyrrolo pyridazine-5,7-dione Pyrrolo pyridine-2 ,5-diones Pyrrolo pyrimidine-2,4-diones Pyrrolo triazine-2,4-diones Pyrrolo-pyrimidin-2,5-diones