Mrv1718007121815102D          

  2  1  0  0  0  0            999 V2000
    0.4125    0.0000    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0
   -0.4125    0.0000    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
  2  1  1  0  0  0  0
M  CHG  1   1  -1
M  END