12-epi-Deoxoscalarin

13β-Acetoxy-1,3,5,5aα,5b,6,7,7aα,8,9,10,11,11a,11bα,12,13,13a,13bα-octadecahydro-5bβ,8,8,11aβ,13aβ-pentamethylchryseno[1,2-c]furan-1α-ol