C[NH2+]c1ccnc([O-])n1    mol4199    0_1
CNc1ccnc(O)n1    mol4199    0_2
C[NH2+]c1ccnc(O)n1    mol4199    1_1
CNc1cc[nH+]c(O)n1    mol4199    1_2
CNc1ccnc(O)[nH+]1    mol4199    1_3
CNc1ccnc([O-])n1    mol4199    -1_1