RDKit          

 12 12  0  0  0  0  0  0  0  0999 V2000
    0.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0
  2  3  1  0
  3  4  1  0
  4  5  1  0
  4  6  1  0
  3  7  1  0
  3  8  1  0
  2  9  1  0
  2 10  1  0
  1 11  1  0
  1 12  1  0
  4  1  1  0
M  END
> <PUBCHEM_COMPOUND_CID>
8263

> <NAME>
Octafluorocyclobutane


$$$$