pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.42	IUPAC digitized pKa	0	-1	O=C(O)c1cccc(O)c(=O)c1	O=C([O-])c1cccc(O)c(=O)c1	mol10394	O=C(O)c1cccc(O)c(=O)c1
7.03	IUPAC digitized pKa	-1	-2	O=C([O-])c1cccc(O)c(=O)c1	O=C([O-])c1cccc([O-])c(=O)c1	mol10394	O=C(O)c1cccc(O)c(=O)c1