dibenzannulene dibenzo[a,d][7]annulene 0 InChI=1S/C15H12/c1-3-7-14-11-15-8-4-2-6-13(15)10-9-12(14)5-1/h1-10H,11H2 C1c2ccccc2C=Cc2ccccc12 192.09390 192.25578 CHEBI:35642 chebi_ontology QPJORFLSOJAUNL-UHFFFAOYSA-N 5H-dibenzo[a,d][7]annulene 5H-dibenzo[a,d]cycloheptene C15H12