Sodium;gold;4-hydroxy-4-oxo-3-sulfanylbutanoate;2-sulfanylbutanedioic acid
A variable mixture of the mono- and disodium salts of gold thiomalic acid used mainly for its anti-inflammatory action in the treatment of rheumatoid arthritis. It is most effective in active progressive rheumatoid arthritis and of little or no value in the presence of extensive deformities or in the treatment of other forms of arthritis.