ETD
  -OEChem-01282220183D

  4  3  0     0  0  0  0  0  0999 V2000
   21.4970   36.6450    0.3590 C   0  0  0  0  0  0  0  0  0  0  0  0
   22.8050   36.3080    0.3150 C   0  0  0  0  0  0  0  0  0  0  0  0
   20.4420   36.9160    0.3940 H   0  0  0  0  0  0  0  0  0  0  0  0
   23.8600   36.0360    0.2790 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  3  0  0  0  0
  1  3  1  0  0  0  0
  2  4  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
C#C

> <OPENEYE_INCHI>
InChI=1S/C2H2/c1-2/h1-2H

> <OPENEYE_INCHIKEY>
HSFWRNGVRCDJHI-UHFFFAOYSA-N

> <FORMULA>
C2H2

$$$$