pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.92	IUPAC digitized pKa	1	0	c1c[nH+]c2cc[nH]c2c1	c1cnc2cc[nH]c2c1	mol4574	c1cnc2cc[nH]c2c1