B55
  -OEChem-11012421173D

 17 18  0     0  0  0  0  0  0999 V2000
   -1.2660   -2.5530   -0.0010 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.2770   -1.3340    0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.0700   -0.6000    0.0080 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.2450   -0.9450    0.0130 N   0  0  0  0  0  0  0  0  0  0  0  0
   -2.4430   -0.6520   -0.0080 N   0  0  0  0  0  0  0  0  0  0  0  0
   -2.4440    0.7110   -0.0060 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.6440    1.3780   -0.0160 N   0  0  0  0  0  0  0  0  0  0  0  0
   -1.3270    1.4050    0.0060 N   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1350    0.7970    0.0110 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.1630    1.2430    0.0180 N   0  0  0  0  0  0  0  0  0  0  0  0
    1.9760    0.1410    0.0190 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.7380    0.1790    0.0260 S   0  0  0  0  0  0  0  0  0  0  0  0
   -3.2850   -1.1350   -0.0170 H   0  0  0  0  0  0  0  0  0  0  0  0
   -4.4760    0.8800   -0.0240 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.6600    2.3480   -0.0140 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.4520    2.1690    0.0200 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.9890    0.1880   -1.3610 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  0  0  0  0
  2  3  1  0  0  0  0
  2  5  1  0  0  0  0
  3  4  1  0  0  0  0
  3  9  2  0  0  0  0
  4 11  2  0  0  0  0
  5  6  1  0  0  0  0
  6  7  1  0  0  0  0
  6  8  2  0  0  0  0
  8  9  1  0  0  0  0
  9 10  1  0  0  0  0
 10 11  1  0  0  0  0
 11 12  1  0  0  0  0
  5 13  1  0  0  0  0
  7 14  1  0  0  0  0
  7 15  1  0  0  0  0
 10 16  1  0  0  0  0
 12 17  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
c12c([nH]c(n1)S)nc([nH]c2=O)N

> <OPENEYE_INCHI>
InChI=1S/C5H5N5OS/c6-4-8-2-1(3(11)10-4)7-5(12)9-2/h(H5,6,7,8,9,10,11,12)

> <OPENEYE_INCHIKEY>
JHEKNTQSGTVPAO-UHFFFAOYSA-N

> <FORMULA>
C5H5N5OS

$$$$
