pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.28	OCHEM	1	0	Nc1ccc([NH3+])c2c1C(=O)c1ccccc1C2=O	Nc1ccc(N)c2c1C(=O)c1ccccc1C2=O	mol33201	Nc1ccc(N)c2c1C(=O)c1ccccc1C2=O