Nc1nc(N)nc(NCCO)n1    mol35554    0_1
Nc1nc([NH3+])nc(NCCO)n1    mol35554    1_1
Nc1nc(N)nc([NH2+]CCO)n1    mol35554    1_2
Nc1nc(NCCO)nc(N)[nH+]1    mol35554    1_3
Nc1nc(N)[nH+]c(NCCO)n1    mol35554    1_4
Nc1nc(N)nc(NCC[OH2+])n1    mol35554    1_5