M8843——bis(2-butyloctyl) 5,5′-dibromo-2,2′-bithiophene-4,4′-dicarboxylate

M7069——(3,3′-bis(2,4,6-triisopropylphenyl)-[2,2′-bithiophene]-5,5′-diyl)bis(trimethylstannane)，2713548-69-5