cylindrin

Noun

 * 1)  A terpene with IUPAC name (3S,3aS,5aS,5bS,7aR,9S,11aS,13aR,13bS)-9-methoxy-3a,5a,8,8,11a,13a-hexamethyl-3-propan-2-yl-1,2,3,4,5,5b,6,7,7a,9,10,11,13,13b-tetradecahydrocyclopenta[a]chrysene.