C5H5N5
APtclcactv03241713332D 0   0.00000     0.00000
 
 15 16  0  0  0  0  0  0  0  0999 V2000
    5.2619   -0.6550    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.6783   -1.4597    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    3.7321   -1.1550    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.7321   -0.1550    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.6783    0.1497    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    2.8660    0.3450    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.0000   -0.1550    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    2.0000   -1.1550    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8660   -1.6550    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    2.8660    1.3450    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    5.8819   -0.6550    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    4.8709    0.7391    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.4631   -1.4650    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.3291    1.6550    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.4030    1.6550    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  1  0  0  0  0
  4  5  1  0  0  0  0
  1  5  1  0  0  0  0
  4  6  2  0  0  0  0
  6  7  1  0  0  0  0
  7  8  2  0  0  0  0
  8  9  1  0  0  0  0
  3  9  2  0  0  0  0
  6 10  1  0  0  0  0
  1 11  1  0  0  0  0
  5 12  1  0  0  0  0
  8 13  1  0  0  0  0
 10 14  1  0  0  0  0
 10 15  1  0  0  0  0
M  END
> <UNIQUE_SMILES>
NC1=C2[NH]C=NC2=NC=N1

> <USER_SUPPLIED_SMILES>
C1(=NC2(C(N1)=C(N=CN=2)N))

$$$$
