CNc1nc(C)c2ccccc2n1    mol7920    0_1
CNc1nc(C)c2ccccc2[nH+]1    mol7920    1_1
CNc1nc2ccccc2c(C)[nH+]1    mol7920    1_2
C[NH2+]c1nc(C)c2ccccc2n1    mol7920    1_3