pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.7	OCHEM	1	0	NC(N)=[NH+]c1ccc2ccccc2c1	NC(N)=Nc1ccc2ccccc2c1	mol33225	NC(N)=Nc1ccc2ccccc2c1