10',11'-二氢螺[咪唑烷-4,5'-[5H]二苯并[a,d]环庚烯]-2,5-二酮

10,11-二氢螺[5H-二苯并[a,d]环庚烯-5,5'-恶唑烷]-2',4'-二酮

N-{5-Carbomethoxy-10,11-dihydro-5H-dibenzo[a,d]cycloheptene-5}-N'-ethylurea

1-{5-Carbomethoxy-10,11-dihydro-5H-dibenzo[a,d]cycloheptene-5}urea

Methyl 5-amino-10,11-dihydro-5H-dibenzo[a,d]cycloheptene-5-carboxylate