pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.87	Organic Oxygen Acids and Nitrogen Bases	1	0	Cc1ccccc1-c1[nH]c2ccc([N+](=O)[O-])cc2[nH+]1	Cc1ccccc1-c1nc2cc([N+](=O)[O-])ccc2[nH]1	mol21852	Cc1ccccc1-c1nc2cc([N+](=O)[O-])ccc2[nH]1