Lauric acid (1aR)-1aα,2,5,5a,6,9,10,10aα-octahydro-5aβ-hydroxy-4-hydroxymethyl-1,1,7,9α-tetramethyl-6,11-dioxo-1H-2α,8aα-methanocyclopenta[a]cyclopropa[e]cyclodecen-5β-yl ester