pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.82999992370605	QSARToolbox	0	-1	O=C1NC(=O)C(O)C(=O)N1	O=c1[nH]c(=O)[c-](O)c(=O)[nH]1,O=C1[N-]C(=O)C(O)C(=O)N1	mol34232	O=C1NC(=O)C(O)C(=O)N1