ZR9
  -OEChem-06142419113D

 21 22  0     0  0  0  0  0  0999 V2000
   -1.5180    1.3690   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.2540   -1.9410    0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.5640   -1.5560    0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.3290    0.2010   -0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.9090   -0.1980    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.9110    0.7770   -0.0020 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.4210    0.3840   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7540   -0.9840   -0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.0530   -0.4060   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.0900   -1.3430    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
   -2.7890    0.9100   -0.0010 N   0  0  0  0  0  0  0  0  0  0  0  0
    3.6290    1.3790   -0.0010 O   0  0  0  0  0  0  0  0  0  0  0  0
    4.2940   -0.7390    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -4.2140   -0.7650   -0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.2860    2.5630    0.0030 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000   -2.9910    0.0010 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.3420   -2.3050    0.0020 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.1720    1.8250   -0.0020 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.3350   -2.2820    0.0010 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.5240    1.5430    0.0030 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.2100   -0.4290   -0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
  4 12  2  0  0  0  0
  2  3  2  0  0  0  0
  3  5  1  0  0  0  0
  2  8  1  0  0  0  0
  4  5  1  0  0  0  0
  4 13  1  0  0  0  0
  5  6  2  0  0  0  0
  8 10  1  0  0  0  0
  7  8  2  0  0  0  0
  9 10  1  0  0  0  0
  6  7  1  0  0  0  0
  1  7  1  0  0  0  0
  9 14  2  0  0  0  0
  9 11  1  0  0  0  0
  1 11  1  0  0  0  0
  1 15  2  0  0  0  0
  2 16  1  0  0  0  0
  3 17  1  0  0  0  0
  6 18  1  0  0  0  0
 10 19  1  0  0  0  0
 11 20  1  0  0  0  0
 13 21  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
c1cc2c(cc1C(=O)O)c(=O)[nH]c(=O)[nH]2

> <OPENEYE_INCHI>
InChI=1S/C9H6N2O4/c12-7-5-3-4(8(13)14)1-2-6(5)10-9(15)11-7/h1-3H,(H,13,14)(H2,10,11,12,15)

> <OPENEYE_INCHIKEY>
FDJXVHKCNJIHTB-UHFFFAOYSA-N

> <FORMULA>
C9H6N2O4

$$$$
