(4α,8β,13β)-16-acetoxy-18-methoxycarbonyl-13-methyl-17-norkaurane

((4'R,6a'R,9'S,11b'S)-4',5,5,9',11b'-pentamethyldodecahydro-7'H-spiro[[1,3]dioxane-2,8'-[6a,9]methanocyclohepta[a]naphthalen]-4'-yl)methyl methanesulfonate

ent-15,16-beyeranedione

ent-16-<(2,2-dimethyl-1,3-propanediyl)dioxy>beyeran-19-ol

ent-15-(hydroxymethylene)beyeran-16-one