Iduronic acid is a chemical compound that plays a vital role in various biological processes. This polysaccharide derivative is commonly found in glycosaminoglycans, which are essential components of connective tissues. Synonyms for iduronic acid include 2-deoxy-alpha-D-glucopyranuronic acid, iduronic acid sugar, and glucuronic acid derivative. These terms are often used interchangeably to describe the same compound. Iduronic acid derivatives are known for their anti-inflammatory and analgesic properties. Researchers are exploring the potential therapeutic applications of iduronic acid in the treatment of various diseases, including osteoarthritis and immune disorders. The various synonyms for iduronic acid highlight its significance in the field of biochemistry and medicine.