Cn1c(N)nc(=O)c2[nH]cnc21    mol12847    0_1
Cn1c(N)[nH+]c(=O)c2[nH]cnc21    mol12847    1_1
Cn1c([NH3+])nc(=O)c2[nH]cnc21    mol12847    1_2
Cn1c(N)nc(=O)c2[nH]c[nH+]c21    mol12847    1_3