M7531——(4,4-bis(2-ethylhexyl)-4H-cyclopenta[1,2-b:5,4-b’]dithiophene-2,6-diyl)bis(tributylstannane)

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