3  0  0  0  0  0  0  0  0  0999 V2000
   21.2616  -15.7165    0.0000 Ca  0  2  0  0  0  0  0  0  0  0  0  0
   19.3200  -16.5900    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0
   24.9200  -16.5900    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0
M  CHG  3   1   2   2  -1   3  -1
M  END