C5H4N4
APtclcactv03241713332D 0   0.00000     0.00000
 
 13 14  0  0  0  0  0  0  0  0999 V2000
    2.8660    0.8030    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.0000    0.3030    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    2.0000   -0.6970    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8660   -1.1970    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    3.7321   -0.6970    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.6783   -1.0018    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    5.2619   -0.1970    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.6783    0.6077    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    3.7321    0.3030    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8660    1.4230    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.4631   -1.0070    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.8819   -0.1970    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    4.8709    1.1970    0.0000 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
  3  4  2  0  0  0  0
  4  5  1  0  0  0  0
  5  6  1  0  0  0  0
  6  7  2  0  0  0  0
  7  8  1  0  0  0  0
  8  9  1  0  0  0  0
  5  9  2  0  0  0  0
  1  9  1  0  0  0  0
  1 10  1  0  0  0  0
  3 11  1  0  0  0  0
  7 12  1  0  0  0  0
  8 13  1  0  0  0  0
M  END
> <UNIQUE_SMILES>
[NH]1C=NC2=C1C=NC=N2

> <USER_SUPPLIED_SMILES>
C2(=NC=NC1(N=CNC=12))

$$$$
