C[n+]1c([O-])nc(N)c2nccnc21    mol26231    0_1
[CH2-][n+]1c(O)nc(N)c2nccnc21    mol26231    0_2
C[n+]1c(O)nc([NH-])c2nccnc21    mol26231    0_3
C[n+]1c([O-])nc([NH3+])c2nccnc21    mol26231    1_1
C[n+]1c([O-])nc(N)c2ncc[nH+]c21    mol26231    1_2
C[n+]1c([O-])nc(N)c2[nH+]ccnc21    mol26231    1_3
C[n+]1c(O)nc(N)c2nccnc21    mol26231    1_4