pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.0	AttenGpKa training set	0	-1	O=C1C(O)=C([N+](=O)[O-])C(=O)C([N+](=O)[O-])=C1O	O=C1C([O-])=C([N+](=O)[O-])C(=O)C([N+](=O)[O-])=C1O	mol31239	O=C1C(O)=C([N+](=O)[O-])C(=O)C([N+](=O)[O-])=C1O