Marvin  12010522152D          

  2  1  0  0  0  0            999 V2000
    0.0000    0.0000    0.0000 C   0  5  0  0  0  0  0  0  0  0  0  0
    0.8250    0.0000    0.0000 C   0  3  0  0  0  0  0  0  0  0  0  0
  2  1  3  0  0  0  0
M  CHG  2   1  -1   2   1
M  END