pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.44	IUPAC digitized pKa	0	-1	Cc1cc(=O)oc2c(C(=O)c3ccccc3)c(O)ccc12	Cc1cc(=O)oc2c(C(=O)c3ccccc3)c([O-])ccc12	mol12152	Cc1cc(=O)oc2c(C(=O)c3ccccc3)c(O)ccc12