VV2
  -OEChem-09062413133D

  7 10  0     0  0  0  0  0  0999 V2000
   98.1790   10.1640   81.7990 S   0  4  0  0  0  0  0  0  0  0  0  0
   95.3470    7.7370   82.4070 S   0  0  0  0  0  0  0  0  0  0  0  0
   95.6980    9.9510   79.5340 S   0  4  0  0  0  0  0  0  0  0  0  0
   95.0530    9.6100   81.9210 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   96.5630    8.8730   80.3960 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   96.6450    9.5010   83.6280 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   97.1860   11.6460   80.2170 Fe  0  0  0  0  0  0  0  0  0  0  0  0
  1  7  1  0  0  0  0
  2  4  1  0  0  0  0
  3  7  1  0  0  0  0
  2  6  1  0  0  0  0
  3  6  1  0  0  0  0
  1  6  1  0  0  0  0
  3  4  1  0  0  0  0
  2  5  1  0  0  0  0
  2  7  1  0  0  0  0
  1  5  1  0  0  0  0
M  RAD  2   1   2   3   2
M  END
> <OPENEYE_ISO_SMILES>
[S]12[Fe]S34[Fe]1[S]([Fe]23)[Fe]4

> <OPENEYE_INCHI>
InChI=1S/4Fe.3S

> <OPENEYE_INCHIKEY>
QQACTBFBZNWJMV-UHFFFAOYSA-N

> <FORMULA>
Fe4S3

$$$$