5-Oxazolidinecarboxylicacid,2-oxo-,methylester(8CI,9CI)

    Parameter     ppm  Hz

      D(A)         5.06
      D(B)         3.7
      D(C)         3.93
       J(A,B)          6.0
       J(A,C)          9.0
       J(B,C)          9.0
     
      D(D)         6.48
     
      D(E)         3.85
     
     HERWEH,J.E. ET AL. J.ORG.CHEM. 33, 4029 (1968)
     PROTON-D APPEARS AS A BROAD PEAK.