pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.0	IUPAC digitized pKa	1	0	Cc1[nH+]cc(C=O)c(CO)c1O	Cc1[nH+]cc(C=O)c(CO)c1[O-],Cc1ncc(C=O)c(CO)c1O	mol8600	Cc1ncc(C=O)c(CO)c1O