pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.0	IUPAC digitized pKa	0	-1	O=C1NC(=O)[C@H](CCCNO)N1	O=C1NC(=O)[C@H](CCCN[O-])N1	mol9804	O=C1NC(=O)C(CCCNO)N1
5.6	IUPAC digitized pKa	1	0	O=C1NC(=O)[C@H](CCC[NH2+]O)N1	O=C1NC(=O)[C@H](CCCNO)N1	mol9804	O=C1NC(=O)C(CCCNO)N1