pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.54	Organic Oxygen Acids and Nitrogen Bases	1	0	Cn1cc[nH+]c1N,Cn1ccnc1[NH3+]	Cn1ccnc1N	mol6638	Cn1ccnc1N