pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.8	IUPAC digitized pKa	1	0	CN1C(=[NH2+])O[C@@H](c2ccccc2)C1=O	CN1C(=N)O[C@@H](c2ccccc2)C1=O	mol6768	CN1C(=N)OC(c2ccccc2)C1=O