pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-0.48	Datawarrior	1	0	O=C(O)c1cc[n+](O)cc1	O=C(O)c1cc[n+]([O-])cc1	mol13086	O=C(O)c1cc[n+](O)cc1
-0.47999999	OCHEM	1	0	O=C(O)c1cc[n+](O)cc1	O=C(O)c1cc[n+]([O-])cc1	mol13086	O=C(O)c1cc[n+](O)cc1