AST
  CCTOOLS-0919241030

  4  3  0  0  0  0  0  0  0  0999 V2000
    0.0000    0.0000    0.0000 AS  0  0  0  0  0
    0.0000    0.0000    0.0000 O   0  5  0  0  0
    0.0000    0.0000    0.0000 O   0  5  0  0  0
    0.0000    0.0000    0.0000 O   0  5  0  0  0
  1  2  1  0  0  0
  1  3  1  0  0  0
  1  4  1  0  0  0
M  CHG  1   2  -1
M  CHG  1   3  -1
M  CHG  1   4  -1
M  END
$$$$