pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
13.0	IUPAC digitized pKa	0	-1	NNC(=O)C(c1ccccc1)c1ccccc1	NNC(=O)[C-](c1ccccc1)c1ccccc1,N[N-]C(=O)C(c1ccccc1)c1ccccc1	mol11972	NNC(=O)C(c1ccccc1)c1ccccc1
2.98	IUPAC digitized pKa	1	0	[NH3+]NC(=O)C(c1ccccc1)c1ccccc1	NNC(=O)C(c1ccccc1)c1ccccc1	mol11972	NNC(=O)C(c1ccccc1)c1ccccc1