IOS
  -OEChem-05102419533D

 21 22  0     0  0  0  0  0  0999 V2000
    8.2570   -5.8410    1.6340 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.1400   -7.6750    1.7920 N   0  0  0  0  0  0  0  0  0  0  0  0
    6.1050   -6.8310    1.1730 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.1480   -6.6400    1.9970 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.9260   -7.3540    3.2180 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.6260   -7.5430    4.4390 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.0390   -8.3590    5.4360 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.7630   -8.9820    5.2190 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.0480   -8.8180    4.0380 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.6410   -7.9920    3.0330 C   0  0  0  0  0  0  0  0  0  0  0  0
    9.5380   -6.4960    1.2660 S   0  0  0  0  0  0  0  0  0  0  0  0
   10.5770   -5.5760    0.8940 O   0  0  0  0  0  0  0  0  0  0  0  0
   10.0200   -7.3280    2.3720 O   0  0  0  0  0  0  0  0  0  0  0  0
    9.4260   -7.3080    0.0460 O   0  0  0  0  0  0  0  0  0  0  0  0
    4.2530   -7.9830    1.3940 H   0  0  0  0  0  0  0  0  0  0  0  0
    6.0100   -6.3970    0.1630 H   0  0  0  0  0  0  0  0  0  0  0  0
    8.6060   -7.0650    4.6070 H   0  0  0  0  0  0  0  0  0  0  0  0
    7.5680   -8.5180    6.3910 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.3360   -9.6120    6.0170 H   0  0  0  0  0  0  0  0  0  0  0  0
    4.0690   -9.3020    3.8840 H   0  0  0  0  0  0  0  0  0  0  0  0
   10.2460   -7.7270   -0.1890 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  4  1  0  0  0  0
  1 11  1  0  0  0  0
  2  3  1  0  0  0  0
  2 10  1  0  0  0  0
  2 15  1  0  0  0  0
  3  4  2  0  0  0  0
  3 16  1  0  0  0  0
  4  5  1  0  0  0  0
  5  6  2  0  0  0  0
  5 10  1  0  0  0  0
  6  7  1  0  0  0  0
  6 17  1  0  0  0  0
  7  8  2  0  0  0  0
  7 18  1  0  0  0  0
  8  9  1  0  0  0  0
  8 19  1  0  0  0  0
  9 10  2  0  0  0  0
  9 20  1  0  0  0  0
 11 12  2  0  0  0  0
 11 13  2  0  0  0  0
 11 14  1  0  0  0  0
 14 21  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
c1ccc2c(c1)c(c[nH]2)OS(=O)(=O)O

> <OPENEYE_INCHI>
InChI=1S/C8H7NO4S/c10-14(11,12)13-8-5-9-7-4-2-1-3-6(7)8/h1-5,9H,(H,10,11,12)

> <OPENEYE_INCHIKEY>
BXFFHSIDQOFMLE-UHFFFAOYSA-N

> <FORMULA>
C8H7NO4S

$$$$
