pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.46	IUPAC digitized pKa	0	-1	CC(CCC(=O)O)(CCC(=O)O)[N+](=O)[O-]	CC(CCC(=O)[O-])(CCC(=O)O)[N+](=O)[O-]	mol10702	CC(CCC(=O)O)(CCC(=O)O)[N+](=O)[O-]
3.9	IUPAC digitized pKa	-1	-2	CC(CCC(=O)[O-])(CCC(=O)O)[N+](=O)[O-]	CC(CCC(=O)[O-])(CCC(=O)[O-])[N+](=O)[O-]	mol10702	CC(CCC(=O)O)(CCC(=O)O)[N+](=O)[O-]