Marvin  10160717122D          

  2  1  0  0  0  0            999 V2000
    0.4125    0.0000    0.0000 C   0  5  0  0  0  0  0  0  0  0  0  0
   -0.4125    0.0000    0.0000 Si  0  3  0  0  0  0  0  0  0  0  0  0
  1  2  3  0  0  0  0
M  CHG  2   1  -1   2   1
M  END