pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.1	Hunt	0	-1	Oc1ccc(/N=N/c2ccccn2)c2ccccc12	[O-]c1ccc(/N=N/c2ccccn2)c2ccccc12	mol840	Oc1ccc(/N=N/c2ccccn2)c2ccccc12