pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.1	IUPAC digitized pKa	0	-1	Cc1cc[nH]c1C(=O)O	Cc1cc[nH]c1C(=O)[O-]	mol9722	Cc1cc[nH]c1C(=O)O
5.0999999	OCHEM	0	-1	Cc1cc[nH]c1C(=O)O	Cc1cc[nH]c1C(=O)[O-]	mol9722	Cc1cc[nH]c1C(=O)O