M8283——3,6-Bis-(5-bromo-thieno[3,2-b]thiophen-2-yl)-2,5-bis-(2-hexyl-decyl)-2,5-dihydro-pyrrolo[3,4-c]pyrrole-1,4-dione

M7171——(4,4,9,9-tetrakis(5-hexylthiophen-2-yl)-4,9-dihydro-s-indaceno[1,2-b:5,6-b’]dithiophene-2,7-diyl)bis(trimethylstannane)