pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.7	Datawarrior	0	-1	O=C(O)c1cnccn1	O=C([O-])c1cnccn1	mol13606	O=C(O)c1cnccn1
2.9	Baltruschat ChEMBL	0	-1	O=C(O)c1cnccn1	O=C([O-])c1cnccn1	mol13606	O=C(O)c1cnccn1
-0.7	Datawarrior	1	0	O=C(O)c1c[nH+]ccn1,O=C(O)c1cncc[nH+]1	O=C(O)c1cnccn1	mol13606	O=C(O)c1cnccn1
-0.69999999	OCHEM	1	0	O=C(O)c1c[nH+]ccn1,O=C(O)c1cncc[nH+]1	O=C(O)c1cnccn1	mol13606	O=C(O)c1cnccn1