ChemicalBook -- 14378-32-6
  -INDIGO-01182520002D

  1  0  0  0  0  0  0  0  0  0999 V2000
    0.0000    0.0000    0.0000 Zn  0  0  0  0  0 15  0  0  0  0  0  0
M  ISO  1   1  64
M  END