butan
  -ISIS-            2D
Used JOELib chemistry kernel (expert systems) ID is 715333816
  4  3  0  0  0  0  0  0  0  0  1 V2000
    5.1807   -5.5480    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.4100   -4.2813    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    9.0693   -6.1813    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   10.8047   -4.7120    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  2  1  1  0  0  0  0
  3  2  1  0  0  0  0
  4  3  1  0  0  0  0
M  END