Synonyms: 5b-Cholan-24-oic acid, 3a,7a-dihydroxy-12-oxo- (8CI); 5b-Cholanic acid, 3a,7a-dihydroxy-12-oxo- (7CI); 12-Keto-3a,7a-dihydroxy-5b-cholanicacid; 12-Ketochenodeoxycholic acid; 12-Oxo-3a,7a-dihydroxy-5b-cholan-24-oicacid; 12-Oxochenodeoxycholic acid; 12-keto-Chenodeoxycholic acid; 3a,7a-Dihydroxy-12-keto-5b-cholanic acid; 3a,7a-Dihydroxy-12-ketocholanic acid; 3a,7a-Dihydroxy-12-ketocholic acid; 3a,7a-Dihydroxy-12-oxo-5b-cholan-24-oic acid; 3a,7a-Dihydroxy-12-oxo-5b-cholanic acid; 3a,7a-Dihydroxy-12-oxo-5b-cholanoic acid; 3a,7a-Dihydroxy-12-oxocholic acid; 5b-Cholanic acid-3a,7a-diol-12-one