pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.93	SAMPL7	0	-1	O=S(=O)(Nc1cn(-c2ccccc2)nn1)c1ccccc1	O=S(=O)([N-]c1cn(-c2ccccc2)nn1)c1ccccc1	SM45	O=S(=O)(Nc1cn(-c2ccccc2)nn1)c1ccccc1