pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.93	IUPAC digitized pKa	1	0	c1cc2cc[nH+]cc2[nH]1	c1cc2cc[nH]c2cn1	mol4576	c1cc2cc[nH]c2cn1