pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.67	OCHEM	1	0	O=S(=O)(Cc1ccc[nH+]c1)c1ccccc1	O=S(=O)(Cc1cccnc1)c1ccccc1	mol6540	O=S(=O)(Cc1cccnc1)c1ccccc1