pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-1.45	AttenGpKa training set	0	-1	O=S(=O)(O)Nc1cccc2ccccc12	O=S(=O)([O-])Nc1cccc2ccccc12	mol28404	O=S(=O)(O)Nc1cccc2ccccc12