4  3  0  0  0  0  0  0  0  0999 V2000
   27.4130  -18.4236    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   28.5655  -19.0856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   26.2541  -19.0856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   29.7245  -18.4236    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0     0  0
  1  3  2  0     0  0
  2  4  2  0     0  0
M  END