pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.0	IUPAC digitized pKa	0	-1	CCOC(=O)c1ccc(C(=O)N(O)c2ccccc2)cc1	CCOC(=O)c1ccc(C(=O)N([O-])c2ccccc2)cc1	mol12086	CCOC(=O)c1ccc(C(=O)N(O)c2ccccc2)cc1