(1R,4aR,4bS,8aS,10aR)-2,4b,8,8,10a-Pentamethyl-1,4,4a,4b,5,6,7,8,8a,9,10,10a-dodecahydro-phenanthrene-1-carbonyl chloride

rac-(1R,3S,4aS,4bR,8aR,10aS)-4b,8,8,10a-tetramethyl-2-methylene-1-(((tetrahydro-2H-pyran-2-yl)oxy)methyl)tetradecahydro-1,3-epoxyphenanthrene

(+/-)-spongia-12-en