CNc1nc(C)ncc1N    mol7097    0_1
CNc1nc(C)[nH+]cc1N    mol7097    1_1
CNc1[nH+]c(C)ncc1N    mol7097    1_2
C[NH2+]c1nc(C)ncc1N    mol7097    1_3
CNc1nc(C)ncc1[NH3+]    mol7097    1_4