pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.63	IUPAC digitized pKa	1	0	COc1cc[nH+]cc1[N+](=O)[O-]	COc1ccncc1[N+](=O)[O-]	mol6519	COc1ccncc1[N+](=O)[O-]
2.62	OCHEM	1	0	COc1cc[nH+]cc1[N+](=O)[O-]	COc1ccncc1[N+](=O)[O-]	mol6519	COc1ccncc1[N+](=O)[O-]