5,15-diphenyl-1,2,3,4,4a,5,15,15a-octahydro-1,4:5,15-dimethanodibenzo[b,f]naphtho[2,3-d]thiepin-16-one 10,10-dioxide

(10aR,16bS)-10,17-diphenyl-10,10a,16b,17-tetrahydro-10,17-methanodibenzo[b,f]fluorantheno[8,9-d]thiepin-18-one 5,5-dioxide

(3aR,14aS)-2,4,14-triphenyl-3a,14a-dihydro-1H-dibenzo[2,3:6,7]thiepino[4,5-f]isoindole-1,3(2H)-dione