pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.85	IUPAC digitized pKa	0	-1	O=S(=O)([O-])CCC[NH2+]c1ccccc1,O=S(=O)(O)CCCNc1ccccc1	O=S(=O)([O-])CCCNc1ccccc1	mol5313	O=S(=O)(O)CCCNc1ccccc1