4  3  0  0  0  0  0  0  0  0  0 V2000
    0.0000   -0.2851    0.0000 B   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.8550    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.9872   -0.8550    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.9872   -0.8550    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0     0  0
  1  3  1  0     0  0
  1  4  1  0     0  0
M  END