C#CCCCC[n+]1cn(C)c(/C=N/[O-])n1    mol21459    0_1
C#CCCCC[n+]1cn(C)c(/C=N/O)n1    mol21459    1_1
C#CCCCC[n+]1cn(C)c(/C=N/[O-])[nH+]1    mol21459    1_2