Ketcher 03201716442D 1   1.00000     0.00000     0

  9  9  0     0  0            999 V2000
   10.9540  -35.2007    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   10.1467  -35.7874    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   10.4550  -36.7363    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   11.4530  -36.7363    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   11.7614  -35.7874    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   12.7105  -35.4789    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   12.0396  -37.5438    0.0000 R   0  0  0  0  0  0  0  0  0  0  0  0
    9.8685  -37.5793    0.0000 R   0  0  0  0  0  0  0  0  0  0  0  0
    9.1976  -35.5146    0.0000 R   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0     0  0
  2  3  1  0     0  0
  3  4  1  0     0  0
  4  5  1  0     0  0
  1  5  1  0     0  0
  5  6  2  0     0  0
  4  7  1  0     0  0
  3  8  1  0     0  0
  2  9  1  0     0  0
M  END
> <ID>
CHEBI:37581

> <NAME>
gamma-lactone

> <DEFINITION>
A lactone having a five-membered lactone ring.

> <STAR>
3

> <SECONDARY_ID>
CHEBI:22971; CHEBI:541; CHEBI:13194; CHEBI:18937

> <SYNONYM>
gamma-Laktone; gamma-lactones; gamma-lactonas; gamma-lactona; butyrolactones; a 1,4-lactone; 1,4-lactones; 1,4-Lactone

> <FORMULA>
C4H3O2R3

> <MASS>
83.066

> <MONOISOTOPIC_MASS>
83.01330

> <CHARGE>
0

> <SMILES>
O1C(C(C(C1=O)*)*)*

> <PUBMED_CITATION>
18789684

$$$$