pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.0	OCHEM	-1	-2	NC1=[NH+]Cc2cc([O-])c([O-])cc2N1,NC1=NCc2cc([O-])c(O)cc2N1,NC1=NCc2cc(O)c([O-])cc2N1	NC1=NCc2cc([O-])c([O-])cc2N1	mol20849	NC1=NCc2cc(O)c(O)cc2N1