5,5'-[4,4,9,9-tetrakis(4-hexylphenyl)-4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene-2,7-diyl]bis[4-[(2-ethylhexyl)oxy]-2-Thiophenecarboxaldehyde
5,5'-[4,4,9,9-tetrakis(4-hexylphenyl)-4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene-2,7-diyl]bis[4-[(2-ethylhexyl)oxy]-2-Thiophenecarboxaldehyde