Dipropylene glycol monomethyl ether

    Assign.     Shift(ppm)

      A             3.94
      B     *1      3.67
      B     *1      3.601
      C     *2      3.67
      C     *2      3.479
      D             3.381
      E             3.37
      F     *2      3.30
      G     *1      3.207
      J     *3      1.143
      J     *3      1.139
      K     *3      1.132
      K     *3      1.113
     
     MIXTURE OF OPTICAL ISOMERS.
     ASSIGNED BY C-H COSY.
  

       ppm   Int.  Assign.

       76.76   895      1
       76.72   975      1
       75.70   815      2
       75.64   815      2
       74.72   740      3
       74.55   890      3
       66.94   810      4
       65.98   910      4
       59.01  1000      5
       18.74   725      6
       18.60   660      6
       17.10   605      7
       16.87   635      7
     
     Mixture of diastereomers.