3-(10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-yl)-pentanedinitrile

1,7,8,12b-tetrahydro-1,12-ethanobenzo[4,5]cyclohepta[1,2,3-de]naphthalene-3,13(2H)-dione

3-(10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-yl)-pentanedioic acid

1,2,3,7,8,12b-hexahydro-1,12-ethanobenzo[4,5]cyclohepta[1,2,3-de]naphthalene-3,13-diol

7,8-dihydro-1,12-ethenobenzo[4,5]cyclohepta[1,2,3-de]naphthalene