pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.0	IUPAC digitized pKa	0	-1	O=C(O)C1(OC2(C(=O)O)CCCC2)CCCC1	O=C([O-])C1(OC2(C(=O)O)CCCC2)CCCC1	mol11680	O=C(O)C1(OC2(C(=O)O)CCCC2)CCCC1
3.3	IUPAC digitized pKa	-1	-2	O=C([O-])C1(OC2(C(=O)O)CCCC2)CCCC1	O=C([O-])C1(OC2(C(=O)[O-])CCCC2)CCCC1	mol11680	O=C(O)C1(OC2(C(=O)O)CCCC2)CCCC1