pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.94000005722046	QSARToolbox	0	-1	""	[O-][S+]([O-])O[C@H](O)CO	mol36806	[O-][S+]([O-])OC(O)CO