pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.59	IUPAC digitized pKa	1	0	Cc1[nH+][nH]cc1I	Cc1n[nH]cc1I	mol6906	Cc1n[nH]cc1I