SEARCH Articles Figures Tables 3- pyrrolo 3.4- Dihydro-6- pyrrolo pyrazine Pyrrolo indol-3 -ones 1.4- dihydro Pyrrolo indoles, dihydro Pyrrolo pyrazol-4-ones, 5,6-dihydro Pyrrolo pyrazoles, 1,6-dihydro Pyrrolo thiazoles, 2,3-dihydro