pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.23	Datawarrior	0	-1	O=C(O)CCP	O=C([O-])CCP	mol15849	O=C(O)CCP
4.23000001907349	QSARToolbox	0	-1	O=C(O)CCP	O=C([O-])CCP	mol15849	O=C(O)CCP