pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.24	IUPAC digitized pKa	1	0	c1cc2c[nH+]ccc2[nH]1	c1cc2[nH]ccc2cn1	mol4575	c1cc2[nH]ccc2cn1