1417904-93-8/7-bromo-4,4,9,9-tetrakis(4- hexylphenyl)-4,9-dihydro-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-carboxaldehyd

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CasNo:1417904-93-8