2-thiophenecarboxaldehyde, 5-[(5-methoxy-2-thienyl)ethynyl]- 5-[(5-methoxy-2-thienyl)ethynyl]thiophene-2-carbaldehyde 5-[(methoxy-2-thienyl)ethynyl]-2-thiophenecarbaldehyde InChI=1/C12H8O2S2/c1-14-12-7-6-10(16-12)3-2-9-4-5-11(8-13)15-9/h4-8H,1H