... 2). Used to treat primary biliary cirrhosis. Ursodeoxycholic AcidUrsodeoxycholic acid, also known as Ursodiol and the abbreviation UDCA.Systematic ... IUPAC) name: 3α,7β-dihydroxy-5β-cholan-24-oic acid;(R)-4-((3R,5S,7S,8R,9S,10S,13R,14S,17R ... dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acidSynonyms: ursodeoxycholic acid, Actigall, Ursosan, Urso, Urso ForteIdentifiers CAS number: 128 ...