pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.680000007152557	QSARToolbox	0	-1	CCO[P@@](=O)(O)C[P@@](=O)(O)OCC	CCO[P@@](=O)([O-])C[P@@](=O)(O)OCC	mol34115	CCOP(=O)(O)CP(=O)(O)OCC