pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.2	IUPAC digitized pKa	1	0	OC1=C[C@@H](O)C(=[NH+]Cc2ccccc2)C(O)=C1	OC1=C[C@@H](O)C(=NCc2ccccc2)C(O)=C1	mol3488	OC1=CC(O)C(=NCc2ccccc2)C(O)=C1