3-Methylpyridazine 2-oxide

    Parameter     ppm  Hz

      D(A)         8.37
      D(B)         7.12
      D(C)         7.73
      D(D)         2.51
       J(A,B)          5.6
       J(A,C)          2.5
       J(A,D)          0.0
       J(B,C)          8.2
       J(B,D)          0.0
       J(C,D)          0.0
     
     TORI,K. ET AL. CHEM.PHARM.BULL. 11, 235 (1963)