5H-Thieno[3,2-b]pyrrol-5-one, 2-bromo-6-[2-bromo-4,5-dihydro-4-(2-octyldodecyl)-5-oxo-6H-thieno[3,2-b]pyrrol-6-ylidene]-4,6-dihydro-4-(2-octyldodecyl)-
5H-Thieno[3,2-b]pyrrol-5-one, 2-bromo-6-[2-bromo-4,5-dihydro-4-(2-octyldodecyl)-5-oxo-6H-thieno[3,2-b]pyrrol-6-ylidene]-4,6-dihydro-4-(2-octyldodecyl)-