CC4
  -OEChem-06212418113D

 13 12  0     0  0  0  0  0  0999 V2000
   -2.4090    0.0530    0.0020 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.2420   -0.8320    0.0010 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.9790   -0.2830    0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.5950   -1.5580   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0540    0.8150    0.0020 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.8470    0.0250   -0.0000 Se  0  0  0  0  0  0  0  0  0  0  0  0
    0.4560   -1.8050   -0.0020 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.3350   -2.3440   -0.0020 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.0720    1.4330   -0.8870 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.0710    1.4300    0.8930 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.7370    1.3060    0.0010 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.7980    1.3440   -0.0020 O   0  0  0  0  0  0  0  0  0  0  0  0
   -3.7500    1.5160   -0.0050 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  0  0  0  0
  1  3  1  0  0  0  0
  3  4  2  0  0  0  0
  3  5  1  0  0  0  0
  5  6  1  0  0  0  0
  6 11  1  0  0  0  0
  4  7  1  0  0  0  0
  4  8  1  0  0  0  0
  5  9  1  0  0  0  0
  5 10  1  0  0  0  0
  1 12  1  0  0  0  0
 12 13  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
C=C(C[SeH])C(=O)O

> <OPENEYE_INCHI>
InChI=1S/C4H6O2Se/c1-3(2-7)4(5)6/h7H,1-2H2,(H,5,6)

> <OPENEYE_INCHIKEY>
CHFUUCJSXSBSRN-UHFFFAOYSA-N

> <FORMULA>
C4H6O2Se

$$$$