7-Fluoro-2,3-dihydropyrrolo[2,1-b]quinazolin-9(1H)-one
(3R,7aS)-3-(tert-Butyl)dihydropyrrolo[1,2-c]oxazole-1,5(3H,6H)-dione
Ethyl 4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazine-6-carboxylate
6,7-Dihydropyrrolo[2,3-c]azepine-4,8(1H,5H)-dione
