pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.39	IUPAC digitized pKa	0	-1	CC[C@H](O[N+](=O)[O-])C(=O)O	CC[C@H](O[N+](=O)[O-])C(=O)[O-]	mol9218	CCC(O[N+](=O)[O-])C(=O)O
2.39000010490417	QSARToolbox	0	-1	CC[C@H](O[N+](=O)[O-])C(=O)O	CC[C@H](O[N+](=O)[O-])C(=O)[O-]	mol9218	CCC(O[N+](=O)[O-])C(=O)O