pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.43	IUPAC digitized pKa	1	0	Cc1[nH+]ccs1	Cc1nccs1	mol7569	Cc1nccs1
3.4	IUPAC digitized pKa	1	0	Cc1[nH+]ccs1	Cc1nccs1	mol7569	Cc1nccs1