10,11-dihydro-5H-dibenzo[a,d]cyclohepteneDibenzocycloheptene10,11-二氢-5H-二苯并[a,d]环庚烯10,11-Dihydro-5H-dibenzo[a,d]cyclohepteneDibenzosuberaneSuberaneDibenzosuberane10,11-Dihydrodibenzo[a,d]cyclohepteneNSC 861562,3:6,7-DibenzosuberanDibenzo[a,d][1,4]cycloheptadiene1,2:4,5-Dibenzocycloheptane