pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.78	IUPAC digitized pKa	0	-1	C=CCc1c(O)[nH]c(=O)[nH]c1=O	C=CCc1c(O)[n-]c(=O)[nH]c1=O,C=CCc1c([O-])[nH]c(=O)[nH]c1=O,C=CCc1c(O)[nH]c(=O)[n-]c1=O	mol10192	C=CCc1c(O)[nH]c(=O)[nH]c1=O