pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.86	Baltruschat ChEMBL	0	-1	O=[N+]([O-])c1c[nH]c([N+](=O)[O-])n1	O=[N+]([O-])c1c[n-]c([N+](=O)[O-])n1	mol6667	O=[N+]([O-])c1c[nH]c([N+](=O)[O-])n1