Thieno[3',2':4,5]cyclopenta[1,2-b]thieno[2'',3'':3',4']cyclopenta[1',2':4,5]thieno[2,3-d]thiophene-2-carboxaldehyde,7-bromo-4,4,9,9-tetrakis(4-hexylphenyl)-4,9-dihydro-
7-BROMO-4,4,9,9-TETRAKIS(4-HEXYLPHENYL)-4,9-DIHYDROTHIENO[3',2':4,5]CYCLOPENTA[1,2-B]THIENO[2'',3'':3',4']CYCLOPENTA[1',2':4,5]THIENO[2,3-D]THIOPHENE-2-CARBOXAL