5,6,7,8-tetrahydro-pyrrolo[1,2-
a]azepin-9-one;7,8-dihydro-5H-pyrrolo[1,2-a]azepin-9(6H)-one;6,7,8,9-Tetrahydro-5H-pyrrolo<1.2-a>azepinon-(9);9-Oxo-6,7,8,9-tetrahydro-5H-pyrrolo<1,2-a>azepin;6-Keto-cycloheptano
pyrrol;5,6,7,8-tetrahydropyrrolo[1,2-a]azepin-9-one