pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.7	Baltruschat ChEMBL	0	-1	Oc1cc(O)n2nccc2n1	[O-]c1cc(O)n2nccc2n1,[O-]c1cc(O)nc2ccnn12	mol21691	Oc1cc(O)n2nccc2n1