pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.84000015258789	QSARToolbox	0	-1	[NH3+]CC(=O)NCCP(=O)([O-])O	[NH3+]CC(=O)NCCP(=O)([O-])[O-]	mol34028	NCC(=O)NCCP(=O)(O)O