RDKit          

  7  4  0  0  0  0  0  0  0  0999 V2000
    0.0000    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 Si  0  0  0  0  0  4  0  0  0  0  0  0
    0.0000    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 Ca  0  0  0  0  0 15  0  0  0  0  0  0
    0.0000    0.0000    0.0000 Ca  0  0  0  0  0 15  0  0  0  0  0  0
  1  2  1  0
  2  3  1  0
  2  4  1  0
  2  5  1  0
M  CHG  6   1  -1   3  -1   4  -1   5  -1   6   2   7   2
M  END
> <PUBCHEM_COMPOUND_CID>
14941

> <NAME>
Calsil


$$$$