pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.53	Datawarrior	0	-1	O=C(O)CCCP	O=C([O-])CCCP	mol15946	O=C(O)CCCP
4.5300002	OCHEM	0	-1	O=C(O)CCCP	O=C([O-])CCCP	mol15946	O=C(O)CCCP
4.53000020980835	QSARToolbox	0	-1	O=C(O)CCCP	O=C([O-])CCCP	mol15946	O=C(O)CCCP