Ketcher 04012210512D 1   1.00000     0.00000     0

  3  2  0     0  0            999 V2000
   -2.6072   -1.2857    0.0000 Sn  0  0  0  0  0  0  0  0  0  0  0  0
   -3.6072   -1.2857    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0
   -1.6072   -1.2857    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0     0  0
  1  3  1  0     0  0
M  END