pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.22	AttenGpKa training set	0	-1	C[P@](=O)(O)OC1CCCC1	C[P@](=O)([O-])OC1CCCC1	mol28907	CP(=O)(O)OC1CCCC1