(3aR,4R,5R,7R,8S,8aS,11R)-7-(buta-1,3-dien-2-yl)-4,8,11-trimethyl-3-oxooctahydro-1H-4,8a-propanoazulen-5-yl 2-((8-methyl-8-azabicyclo[3.2.1]octan-3-yl)thio)acetate