497-19-8.MOL
  ChemDraw11112011282D

  6  3  0  0  0  0  0  0  0  0999 V2000
    1.0717    0.2062    0.0000 Na  0  3  0  0  0  0  0  0  0  0  0  0
   -1.0717   -1.0313    0.0000 Na  0  3  0  0  0  0  0  0  0  0  0  0
   -0.3572    0.2062    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.0717   -0.2062    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0
   -0.3572    1.0313    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.3572   -0.2062    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0
  3  4  1  0      
  3  5  2  0      
  3  6  1  0      
M  CHG  4   1   1   2   1   4  -1   6  -1
M  END