pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-0.51	Baltruschat ChEMBL	1	0	c1c[nH+]sc1	c1cnsc1	mol20017	c1cnsc1
-0.52	AttenGpKa training set	1	0	c1c[nH+]sc1	c1cnsc1	mol20017	c1cnsc1