pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.97	Organic Oxygen Acids and Nitrogen Bases	0	-1	Cc1c(C(=O)O)cc([N+](=O)[O-])cc1[N+](=O)[O-]	Cc1c(C(=O)[O-])cc([N+](=O)[O-])cc1[N+](=O)[O-]	mol1798	Cc1c(C(=O)O)cc([N+](=O)[O-])cc1[N+](=O)[O-]