pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.75	QSARToolbox	0	-1	CCO[P@@](=O)(O)CC[P@@](=O)(O)OCC	CCO[P@@](=O)(O)CC[P@@](=O)([O-])OCC	mol34289	CCOP(=O)(O)CCP(=O)(O)OCC