1,3-Propanedisulfonic acid is a sulfonic acid containing two sulfonate units. Its salts are called eprodisates and have been evaluated as a protector of renal function in AA amyloidosis.[2]
^ abMcElvain, S. M.; Jelinek, Arthur; Rorig, Kurt (September 1945). "Ethane-1,2- and Propane-1,3-disulfonic Acids and Anhydrides". Journal of the American Chemical Society. 67 (9): 1578–1581. Bibcode:1945JAChS..67.1578M. doi:10.1021/ja01225a053.