ChemicalBook -- 558-20-3
  -INDIGO-05172401442D
  5  4  0  0  0  0  0  0  0  0999 V2000
    1.5400    1.5400    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    1.5400    0.0000 D   0  0  0  0  0  0  0  0  0  0  0  0
    3.0800    1.5400    0.0000 D   0  0  0  0  0  0  0  0  0  0  0  0
    1.5400    0.0000    0.0000 D   0  0  0  0  0  0  0  0  0  0  0  0
    1.5400    3.0800    0.0000 D   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  3  1  0  0  0  0
  1  4  1  0  0  0  0
  1  5  1  0  0  0  0
M  END