ChemicalBook -- 13717-00-5
  -INDIGO-07282507002D
  5  3  0  0  0  0  0  0  0  0999 V2000
    1.3337    3.0800    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    3.8501    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.6673    3.8501    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.3337    1.5400    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.3337    0.0000    0.0000 Mg  0  0  0  0  0 15  0  0  0  0  0  0
  1  2  2  0  0  0  0
  1  3  1  0  0  0  0
  1  4  1  0  0  0  0
M  END