C6622.sdf
  ChemDraw08302111102D

 10 10  0  0  0  0  0  0  0  0999 V2000
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    1.0717    0.8250    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  0      
  2  3  1  0      
  3  4  2  0      
  4  5  1  0      
  5  6  1  0      
  5  7  2  0      
  7  8  1  0      
  8  9  2  0      
  3  9  1  0      
  9 10  1  0      
M  END
$$$$
