pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.44999980926514	QSARToolbox	-1	-2	O=C(N[C@@H](c1ccccc1)P(=O)([O-])O)c1ccccc1	O=C(N[C@@H](c1ccccc1)P(=O)([O-])[O-])c1ccccc1	mol37144	O=C(NC(c1ccccc1)P(=O)(O)O)c1ccccc1