Synonyms: Poly[[4,8-bis[5-(2-ethylhexyl)-2-thienyl]benzo[1,2-b:4,5-b']dithiophene-2,6-diyl][2-(2-ethyl-1-oxohexyl)thieno[3,4-b]thiophenediyl]] Linear Structural Formula: (C48H56OS6)n Purity: >=99% trace rare earth metals basis