K7E
  -OEChem-06282419223D

  7  6  0     0  0  0  0  0  0999 V2000
   -0.4360    1.9030   -0.4790 Cu  0  0  0  0  0  0  0  0  0  0  0  0
   -0.5080   -1.8960   -0.4700 Cu  0  0  0  0  0  0  0  0  0  0  0  0
   -1.8350    0.0320    0.8500 Cu  0  0  0  0  0  0  0  0  0  0  0  0
    1.3560   -0.0300    0.0440 Cu  0  0  0  0  0  0  0  0  0  0  0  0
   -0.4720    0.0040   -0.4740 S   0  0  0  0  0  0  0  0  0  0  0  0
    3.1830   -0.0630    0.5620 S   0  0  0  0  0  0  0  0  0  0  0  0
    3.4990    1.2420    0.6420 H   0  0  0  0  0  0  0  0  0  0  0  0
  2  5  1  0  0  0  0
  3  5  1  0  0  0  0
  4  5  1  0  0  0  0
  1  5  1  0  0  0  0
  4  6  1  0  0  0  0
  6  7  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
S[Cu]S([Cu])([Cu])[Cu]

> <OPENEYE_INCHI>
InChI=1S/4Cu.H2S.S/h;;;;1H2;/q;;;+1;;/p-1

> <OPENEYE_INCHIKEY>
HNDPNHLKTCWFEP-UHFFFAOYSA-M

> <FORMULA>
Cu4HS2

$$$$