pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.76	OCHEM	1	0	Nc1ccc2ccccc2c1[NH3+],Nc1c([NH3+])ccc2ccccc12	Nc1ccc2ccccc2c1N	mol6300	Nc1ccc2ccccc2c1N