M8851——1,1′-(5,5”-dibromo-[2,2′:5′,2”-terthiophene]-3,3”-diyl)bis(nonan-1-one)

M7178——3,9-bis(trimethylstannane)-5,5,11,11-tetrakis(5-(2-ethylhexyl)-thiophen-2-yl)-dithieno[2,3-d:2′,3′-d′]-s-indaceno[1,2-b:5,6-b′]- dithiophene