pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.53	IUPAC digitized pKa	0	-1	CCOC(=O)c1nc2cnc[nH]c-2nc1=O	CCOC(=O)c1nc2cnc[n-]c-2nc1=O	mol10970	CCOC(=O)c1nc2cnc[nH]c-2nc1=O