pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.0	Datawarrior	0	-1	O=C(O)c1cnc(Cl)s1	O=C([O-])c1cnc(Cl)s1	mol13642	O=C(O)c1cnc(Cl)s1