硒吩并[3,2-B]噻吩

    Parameter     ppm  Hz

      D(A)         8.015
      D(B)         7.517
      D(C)         7.351
      D(D)         7.434
       J(A,B)          5.75
       J(A,C)         -0.16
       J(A,D)          1.49
       J(B,C)          0.72
       J(B,D)         -0.17
       J(C,D)          5.21
     
     BUGGE,A. ET AL. ACTA CHEM.SCAND. 24, 1953 (1970)