Synonyms: 16,17-Seco-24-nor-5a,13a,14b,17a-chola-20,22-dien-16-oic acid,14,15b:21,23-diepoxy-7a,17-dihydroxy-4,4,8-trimethyl-3-oxo-,16,17-lactone (8CI); D-Homo-24-nor-17-oxachola-20,22-diene-3,16-dione,14,15:21,23-diepoxy-7-hydroxy-4,4,8-trimethyl-, (5a,7a,13a,14b,15b,17aa)-; Gedunin,7-deacetyl-1,2-dihydro- (7CI); NSC 309910