Synonyms: 7,20-Cycloatidane-1,11,15-triol,16,17-didehydro-21-ethyl-4-methyl-, (1a,11b,15b)-;8,10a-Ethano-11,3,6a-ethanylylidene-8H-indeno[2,1-b]azocine-6,7,10-triol,1-ethyldodecahydro-3-methyl-9-methylene-, [3R-(3a,6b,6aa,6ba,7a,8b,10a,10ab,11a,11ab,13R*)]-; Lepenine