cxypay0414
 OpenBabel09292510482D

 20  2  0  0  0  0  0  0  0  0999 V2000
  295.4800   99.0500    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  283.1100  106.2400    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  308.1700  106.2400    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  283.1100  120.7400    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  308.1700  120.7400    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  258.0600  120.7400    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  245.6900  127.9300    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  270.7500  127.9300    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  295.8100  127.9300    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  295.8100  141.9800    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  245.6900  142.3100    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  270.7500  142.3100    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  258.0600  149.5100    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  283.1100  149.5100    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  301.7700   85.0000    0.0000 O   0  0  0  0  0 15  0  0  0  0  0  0
  262.6600   99.2700    0.0000 O   0  0  0  0  0 15  0  0  0  0  0  0
  326.8300   99.2700    0.0000 O   0  0  0  0  0 15  0  0  0  0  0  0
  227.0600  114.2600    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
  213.9300  120.0300    0.0000 C   0  0  0  0  0  1  0  0  0  0  0  0
  238.6300  122.7500    0.0000 C   0  0  0  0  0  1  0  0  0  0  0  0
 18 19  1  0  0  0  0
 20 18  1  0  0  0  0
M  END
>  <Formula>
C16O4

$$$$
cxypay0414
 OpenBabel09292510483D

  5  0  0  0  0  0  0  0  0  0999 V2000
  238.6300  122.7500    0.0000 *   0  0  0  0  0  0  0  0  0  0  0  0
  232.2100  149.3900    0.0000 O   0  0  0  0  0 15  0  0  0  0  0  0
  295.1100   75.9800    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  254.2100  106.6900    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
  328.6600   88.2700    0.0000 C   0  0  0  0  0 15  0  0  0  0  0  0
M  END
>  <Formula>
C3O

$$$$
