pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.30000019073486	QSARToolbox	-1	-2	O=C(OP(=O)([O-])O)c1ccc([N+](=O)[O-])cc1	O=C(OP(=O)([O-])[O-])c1ccc([N+](=O)[O-])cc1	mol37174	O=C(OP(=O)(O)O)c1ccc([N+](=O)[O-])cc1