pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.26	IUPAC digitized pKa	1	0	Clc1c[nH][nH+]c1-c1ccccc1	Clc1c[nH]nc1-c1ccccc1	mol6829	Clc1c[nH]nc1-c1ccccc1