pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.5	QSARToolbox	-2	-3	COc1ccccc1N/N=C1\C(=O)c2ccc(S(=O)(=O)[O-])cc2C=C1S(=O)(=O)[O-]	COc1ccccc1[N-]/N=C1\C(=O)c2ccc(S(=O)(=O)[O-])cc2C=C1S(=O)(=O)[O-]	mol37922	COc1ccccc1N/N=C1\C(=O)c2ccc(S(=O)(=O)O)cc2C=C1S(=O)(=O)O