CCCCCCCCc1noc(/C=N/[O-])[nH+]1    mol20104    0_1
CCCCCCCCc1nc(/C=N/[O-])o[nH+]1    mol20104    0_2
CCCCCCCCc1noc(/C=N/O)n1    mol20104    0_3
CCCCCCCCc1noc(/C=N/[O-])n1    mol20104    -1_1