Synonyms: Propanedinitrile, 2,2'-[[4,4,7,7,12,12,15,15-octakis(4-hexylphenyl)-4,7,12,15-tetrahydrothieno[2',3':5,6]-s-indaceno[1,2-b]thieno[2'',3'':5',6']-s-indaceno[2',1':4,5]thieno[2,3-d]thiophene-2,10-diyl]bis[methylidyne(3-ethyl-4-oxo-5,2-thiazolidinediylidene)]]bis-