Cc1cnc(C)c(O)c1C=O    mol14219    0_1
Cc1c[nH+]c(C)c([O-])c1C=O    mol14219    0_2
Cc1c[nH+]c(C)c(O)c1C=O    mol14219    1_1
Cc1cnc(C)c([O-])c1C=O    mol14219    -1_1