1MZ
  -OEChem-06212418103D

 13 13  0     0  0  0  0  0  0999 V2000
    0.6820    0.0050    0.0010 N   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1420   -1.0640   -0.0030 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.3760   -0.6410    0.0020 N   0  3  0  0  0  0  0  0  0  0  0  0
   -1.3840    0.7010    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1060    1.1240   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.1470   -0.0260    0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.1690   -2.0980   -0.0030 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1640   -1.2070    0.0030 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.2620    1.3300   -0.0010 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.2320    2.1500   -0.0020 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.5300    0.8550   -0.5150 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.5100   -0.0320    1.0290 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.4910   -0.9250   -0.5110 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  5  1  0  0  0  0
  1  6  1  0  0  0  0
  2  3  2  0  0  0  0
  2  7  1  0  0  0  0
  3  4  1  0  0  0  0
  3  8  1  0  0  0  0
  4  5  2  0  0  0  0
  4  9  1  0  0  0  0
  5 10  1  0  0  0  0
  6 11  1  0  0  0  0
  6 12  1  0  0  0  0
  6 13  1  0  0  0  0
M  CHG  1   3   1
M  END
> <OPENEYE_ISO_SMILES>
Cn1cc[nH+]c1

> <OPENEYE_INCHI>
InChI=1S/C4H6N2/c1-6-3-2-5-4-6/h2-4H,1H3/p+1

> <OPENEYE_INCHIKEY>
MCTWTZJPVLRJOU-UHFFFAOYSA-O

> <FORMULA>
C4H7N2+

$$$$
