pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.14	IUPAC digitized pKa	1	0	CCO[P@@](C)(=O)OCC[NH+](C)C	CCO[P@@](C)(=O)OCCN(C)C	mol5842	CCOP(C)(=O)OCCN(C)C