tert-butyl 7,8-(methylenedioxy)-4'-oxo-2,3,4,5-tetrahydro-1H-[2]-benzazepine-5-spiro-1'-cyclohexa-2'-ene-2-carboxylate

7',8'-dihydro-6'H-spiro[cyclohex-2-ene-1,9'-[1,3]dioxolo[4',5':4,5]benzo[1,2-c]azepine]-4,5'-dione

7',8'-dihydro-6'H-spiro[cyclohexane-1,9'-[1,3]dioxolo[4',5':4,5]benzo[1,2-c]azepine]-4,5'-dione

methyl (6-bromobenzo[d][1,3]dioxol-5-yl)methyl(but-3-enyl)carbamate