M8216——(E)-6,6′-dibromo-1,1′-bis(2-octyldodecyl)-[3,3′-biindolinylidene]-2,2′-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)