8α-tetramethyl-5H-cyclopropa[3,4]benz[1,2-e]azulen-5-one;5H-Cyclopropa[3,4]benz[1,2-e]azulen-5-one, 9-(acetyloxy)-1,1a,1b,4,4a,7a,7b,8,9,9a-decahydro-7b,9a-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-, [1aR-(1aα,1bβ,4aα,7aα,7bα,8α,9β,9aα)]- (...