Synonyms: 2,1,3-Benzothiadiazole, 4,4'-[4,4-bis(2-ethylhexyl)-4H-silolo[3,2-b:4,5-b']dithiophene-2,6-diyl]bis[5-fluoro-7-(5'-hexyl[2,2'-bithiophen]-5-yl)-, 4,4'-[4,4-Bis(2-ethylhexyl)-4H-silolo[3,2-b:4,5-b']dithiophene-2,6-diyl]bis[5-fluoro-7-(5'-hexyl[2,2'-bithiophen]-5-yl)-2,1,3-benzothiadiazole]; 7,7'-[4,4-Bis(2-ethylhexyl)-4H-silolo[3,2-b:4,5-b']dithiophene-2,6-diyl]bis[6-fluoro-4-(5'-hexyl-[2,2'-bithiophene]-5-yl)benzo[c][1,2,5]thiadiazole]