(1R,2S,3aS,9R,14bS)-1,2-dihydroxy-1,2,3,5,6,8,9,14b-octahydro-4H-[1,3]dioxolo[4',5':4,5]benzo[1,2-d]cyclopenta[b]pyrrolo[1,2-a]azepin-9-yl acetate

(3aS,9R)-1-hydroxy-2-oxo-2,3,5,6,8,9-hexahydro-4H-[1,3]dioxolo[4',5':4,5]benzo[1,2-d]cyclopenta[b]pyrrolo[1,2-a]azepin-9-yl acetate

(3aS,14bS)-3,5,6,8,9,14b-Hexahydro-4H-cyclopenta<1,3>dioxolo<4,5-h>pyrrolo<2,1-b><3>benzazepine

1-(Toluene-4-sulfonyl)-1-aza-spiro[4.4]non-6-ene

1-Aza-spiro[4.4]non-6-ene