67460-70-2 Ethanesulfonic acid, 2-(((3alpha,5beta,7alpha)-3,7-dihydroxy-12,24-dioxocholan-24-yl)amino)- Tauro-3,7-dihydroxy-12-ketocholanoic acid Tauro-3alpha,7alpha-dihydroxy-12-keto-5beta-cholanoic acid