pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-2.4200001	OCHEM	2	1	C[NH2+]c1ccc[n+](O)c1	CNc1ccc[n+](O)c1	mol32811	CNc1ccc[n+]([O-])c1