CNC(=O)c1c(O)c(=O)cc(C)n1C    mol25112    0_1
CNC(=O)c1c(O)c(=[OH+])cc(C)n1C    mol25112    1_1
CNC(=[OH+])c1c(O)c(=O)cc(C)n1C    mol25112    1_2
CNC(=O)c1c([O-])c(=O)cc(C)n1C    mol25112    -1_1