pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.2	Baltruschat ChEMBL	0	-1	O=C([O-])[C@@H]1CNC=[NH+]C1	O=C([O-])[C@H]1CN=CNC1	mol18747	O=C(O)C1CN=CNC1