pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.96	AttenGpKa training set	0	-1	CCN1c2ccc(C(C)=O)cc2NS1(=O)=O	CCN1c2ccc(C(C)=O)cc2[N-]S1(=O)=O	mol28432	CCN1c2ccc(C(C)=O)cc2NS1(=O)=O