Mrv0541 02241205372D          

  2  0  0  0  0  0            999 V2000
    0.0000    0.0000    0.0000 Se  0  6  0  0  0  0  0  0  0  0  0  0
    2.1214    0.0000    0.0000 Sn  0  0  0  0  0  0  0  0  0  0  0  0
M  CHG  1   1  -2
M  END