pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
16.5	IUPAC digitized pKa	-1	-2	OCc1c[n-]c2ccccc12	[O-]Cc1c[n-]c2ccccc12	mol10978	OCc1c[nH]c2ccccc12