(1β,2α,4α,5β,6α)-3,8-Dioxatricyclo[3.2.1.02,4]octane-6-carboxylic acid methyl ester

    Parameter     ppm  Hz

      D(A)         3.36
      D(B)         3.40
       J(A,B)          3.2
     
      D(C)         4.55
      D(D)         4.65
      D(E)         3.11
      D(F)         2.07
      D(G)         1.85
       J(C,D)          0.00
       J(C,E)          0.00
       J(C,F)          4.6
       J(C,G)          0.8
       J(D,E)          5.1
       J(D,F)          0.00
       J(D,G)          0.00
       J(E,F)         10.2
       J(E,G)          5.2
       J(F,G)        -12.4
     
      D(I)         3.74
     
     MARFISI,C. ET AL. ORG.MAGN.RESON. 17, 239 (1981)