6-(2-benzo[1,3]dioxol-5-yl-aziridin-1-yl)-2,2-dimethyl-3a,6a-dihydro-cyclopenta[1,3]dioxol-4-one

(3aS,12aS)-2,2-dimethyl-3a,5,6,12a-tetrahydro-[1,3]dioxolo[4',5':4,5]cyclopenta[1,2-b][1,3]dioxolo[5',4':4,5]benzo[1,2-d]azepin-12(4H)-one

(3aS,3bR,15aS)-2,2-dimethyl-3a,5,6,8,9,15a-hexahydro-4H-[1,3]dioxolo[4',5':4,5]cyclopenta[1,2-b][1,3]dioxolo[5',4':4,5]benzo[1,2-d]pyrrolo[1,2-a]azepin-15-ol

(3aS,12aS)-2,2-dimethyl-4-((trimethylsilyl)methyl)-3a,5,6,12a-tetrahydro-[1,3]dioxolo[4',5':4,5]cyclopenta[1,2-b][1,3]dioxolo[5',4':4,5]benzo[1,2-d]azepin-12(4H)-one

(3aS,3bR,15aS)-2,2-dimethyl-3a,5,6,8,9,15a-hexahydro-4H-[1,3]dioxolo[4',5':4,5]cyclopenta[1,2-b][1,3]dioxolo[5',4':4,5]benzo[1,2-d]pyrrolo[1,2-a]azepin-15-yl pivalate