12 12  0  0000  0  0  0  0  0999 V2000
    3.9905   -4.6067    0.0000 O   0  0  0  0  0  0  0  0  0  0  0
    4.6546   -3.4580    0.0000 C   0  0  0  0  0  0  0  0  0  0  0
    5.9827   -3.4580    0.0000 O   0  0  0  0  0  0  0  0  0  0  0
    3.9905   -2.3033    0.0000 C   0  0  0  0  0  0  0  0  0  0  0
    4.6546   -1.1547    0.0000 C   0  0  0  0  0  0  0  0  0  0  0
    3.9905    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0
    2.6563    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0
    1.9922   -1.1547    0.0000 C   0  0  0  0  0  0  0  0  0  0  0
    2.6563   -2.3033    0.0000 C   0  0  0  0  0  0  0  0  0  0  0
    0.6641   -1.1547    0.0000 C   0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0
    0.0000   -2.3033    0.0000 O   0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0
  2  3  2  0
  2  4  1  0
  4  5  1  0
  4  9  2  0
  5  6  2  0
  6  7  1  0
  7  8  2  0
  8  9  1  0
  8 10  1  0
 10 11  1  0
 10 12  2  0
M  END

> <StdInChI>
InChI=1S/C8H6O4/c9-7(10)5-2-1-3-6(4-5)8(11)12/h1-4H,(H,9,10)(H,11,12)

> <StdInChIKey>
QQVIHTHCMHWDBS-UHFFFAOYSA-N

> <AuxInfo>
1/1/N:6,5,7,9,4,8,2,10,1,3,11,12/E:(2,3)(5,6)(7,8)(9,10,11,12)/gE:(1,2)/rA:12nOCOCCCCCCCOO/rB:s1;d2;s2;s4;d5;s6;d7;d4s8;s8;s10;d10;/rC:3.9905,-4.6067,0;4.6546,-3.458,0;5.9827,-3.458,0;3.9905,-2.3033,0;4.6546,-1.1547,0;3.9905,0,0;2.6563,0,0;1.9922,-1.1547,0;2.6563,-2.3033,0;.6641,-1.1547,0;;0,-2.3033,0;

> <Formula>
C8 H6 O4

> <Mw>
166.1308

> <SMILES>
OC(C1=CC(C(=O)O)=CC=C1)=O

> <CSID>
8182

$$$$