pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.88	IUPAC digitized pKa	1	0	Cn1cc[nH+]c1Br	Cn1ccnc1Br	mol6647	Cn1ccnc1Br
3.82	Organic Oxygen Acids and Nitrogen Bases	1	0	Cn1cc[nH+]c1Br	Cn1ccnc1Br	mol6647	Cn1ccnc1Br