C6H3ClN2O4
APtclcactv03241713442D 0   0.00000     0.00000
 
 16 16  0  0  0  0  0  0  0  0999 V2000
    3.7321   -1.2500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8660   -0.7500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8660    0.2500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.0000    0.7500    0.0000 Cl  0  0  0  0  0  0  0  0  0  0  0  0
    3.7321    0.7500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.5981    0.2500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.5981   -0.7500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.4641   -1.2500    0.0000 N   0  3  0  0  0  0  0  0  0  0  0  0
    5.4641   -2.2500    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0
    6.3301   -0.7500    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.7321    1.7500    0.0000 N   0  3  0  0  0  0  0  0  0  0  0  0
    4.5981    2.2500    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0
    2.8660    2.2500    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.7321   -1.8700    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.3291   -1.0600    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.1350    0.5600    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  2  3  2  0  0  0  0
  3  4  1  0  0  0  0
  3  5  1  0  0  0  0
  5  6  2  0  0  0  0
  6  7  1  0  0  0  0
  1  7  2  0  0  0  0
  7  8  1  0  0  0  0
  8  9  1  0  0  0  0
  8 10  2  0  0  0  0
  5 11  1  0  0  0  0
 11 12  1  0  0  0  0
 11 13  2  0  0  0  0
  1 14  1  0  0  0  0
  2 15  1  0  0  0  0
  6 16  1  0  0  0  0
M  CHG  4   8   1   9  -1  11   1  12  -1
M  END
> <UNIQUE_SMILES>
[O-][N+](=O)C1=CC=C(Cl)C(=C1)[N+]([O-])=O

> <USER_SUPPLIED_SMILES>
C1(C=C(Cl)C(=CC=1[N+]([O-])=O)[N+]([O-])=O)

$$$$
