pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.7	AttenGpKa training set	0	-1	C[P@@](=O)(O)NCc1ccccc1	C[P@@](=O)([O-])NCc1ccccc1	mol28931	CP(=O)(O)NCc1ccccc1