pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.9	Baltruschat ChEMBL	1	0	Fc1cccn2cc[nH+]c12	Fc1cccn2ccnc12	mol17972	Fc1cccn2ccnc12