pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.8	OCHEM	0	-1	NP(=O)(O)O	NP(=O)([O-])O	mol24384	NP(=O)(O)O
3.0	OCHEM	0	-1	NP(=O)(O)O	NP(=O)([O-])O	mol24384	NP(=O)(O)O
8.15	OCHEM	-1	-2	NP(=O)([O-])O	NP(=O)([O-])[O-]	mol24384	NP(=O)(O)O
10.25	AttenGpKa training set	-1	-2	NP(=O)([O-])O	NP(=O)([O-])[O-]	mol24384	NP(=O)(O)O