Zonarone

2-[[(1S,4aα)-2-Methylene-5,5,8aβ-trimethyldecahydronaphthalene-1-yl]methyl]-1,4-benzoquinone

2-[[(1S,4aα)-Decahydro-5,5,8aβ-trimethyl-2-methylenenaphthalen-1β-yl]methyl]-2,5-cyclohexadiene-1,4-dione