2-[(5-methoxy-2-thienyl)ethynyl]-5-nitrothiophene 2-methoxy-5-[(5-nitro-2-thienyl)ethynyl]thiophene InChI=1/C11H7NO3S2/c1-15-11-7-5-9(17-11)3-2-8-4-6-10(16-8)12(13)14/h4-7H,1H thiophene, 2-methoxy-5-[(5-nitro-2-thienyl)ethynyl]-