none
     RDKit          3D

  6  5  0  0  0  0  0  0  0  0999 V2000
   -6.6381   -0.6886   -2.1115 O   0  0  0  0  0  0  0  0  0  0  0  0
   -7.0548   -0.3348   -0.8056 C   0  0  0  0  0  0  0  0  0  0  0  0
   -5.7393   -1.0517   -2.0361 H   0  0  0  0  0  0  0  0  0  0  0  0
   -8.0651    0.0783   -0.8547 H   0  0  0  0  0  0  0  0  0  0  0  0
   -6.3756    0.4171   -0.3966 H   0  0  0  0  0  0  0  0  0  0  0  0
   -7.0574   -1.2235   -0.1697 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0
  1  3  1  0
  2  4  1  0
  2  5  1  0
  2  6  1  0
M  END