BH29CO
  -OEChem-04012117182D

  4  2  0     0  0  0  0  0  0999 V2000
    4.5981    0.5000    0.0000 Se  0  0  0  0  0  0  0  0  0  0  0  0
    2.0000   -0.0000    0.0000 Na  0  3  0  0  0  0  0  0  0  0  0  0
    2.8660   -0.5000    0.0000 N   0  5  0  0  0  0  0  0  0  0  0  0
    3.7320    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  4  2  0  0  0  0
  3  4  2  0  0  0  0
M  CHG  2   2   1   3  -1
M  END

$$$$