pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.97	IUPAC digitized pKa	0	-1	O=C(NP(=O)(O)O)c1ccc([N+](=O)[O-])cc1	O=C(NP(=O)([O-])O)c1ccc([N+](=O)[O-])cc1,O=C([N-]P(=O)(O)O)c1ccc([N+](=O)[O-])cc1	mol10337	O=C(NP(=O)(O)O)c1ccc([N+](=O)[O-])cc1
6.24	IUPAC digitized pKa	-1	-2	O=C(NP(=O)([O-])O)c1ccc([N+](=O)[O-])cc1,O=C([N-]P(=O)(O)O)c1ccc([N+](=O)[O-])cc1	O=C(NP(=O)([O-])[O-])c1ccc([N+](=O)[O-])cc1,O=C([N-]P(=O)([O-])O)c1ccc([N+](=O)[O-])cc1	mol10337	O=C(NP(=O)(O)O)c1ccc([N+](=O)[O-])cc1