SF3
  -OEChem-07122417533D

  7  8  0     1  0  0  0  0  0999 V2000
   48.5140   33.8900   38.9870 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   50.4040   31.8880   39.0860 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   50.6710   35.5290   38.1140 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   47.7840   34.9620   35.2360 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   48.3850   31.7380   38.1780 S   0  0  0  0  0  0  0  0  0  0  0  0
   48.4210   35.6180   37.4030 S   0  4  1  0  0  0  0  0  0  0  0  0
   50.6860   33.9520   39.8410 S   0  4  1  0  0  0  0  0  0  0  0  0
  1  5  1  0  0  0  0
  1  6  1  0  0  0  0
  1  7  1  0  0  0  0
  2  5  1  0  0  0  0
  2  7  1  0  0  0  0
  3  6  1  0  0  0  0
  3  7  1  0  0  0  0
  4  6  1  0  0  0  0
M  RAD  2   6   2   7   2
M  END
> <OPENEYE_ISO_SMILES>
S1[Fe][S@@]2[Fe]1[S@@]([Fe]2)[Fe]

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

> <OPENEYE_INCHIKEY>
QQACTBFBZNWJMV-UHFFFAOYSA-N

> <FORMULA>
Fe4S3

$$$$
