pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-2.67	AttenGpKa training set	1	0	COn1n[nH+]c2ccc([N+](=O)[O-])cc21,COn1[nH+]nc2ccc([N+](=O)[O-])cc21	COn1nnc2ccc([N+](=O)[O-])cc21	mol26492	COn1nnc2ccc([N+](=O)[O-])cc21