pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
17.95	IUPAC digitized pKa	-2	-3	N[C@H](Cc1c[nH]c2ccc([O-])cc12)C(=O)[O-]	N[C@H](Cc1c[n-]c2ccc([O-])cc12)C(=O)[O-]	mol11582	NC(Cc1c[nH]c2ccc(O)cc12)C(=O)O