Showing structure for (5as,6r,7r,8r,9ar)-7-chloro-6-[(3s)-3,4-dimethylpent-4-en-1-yl]-8-hydroxy-6,9a-dimethyl-3h,5h,5ah,7h,8h,9h-naphtho[1,2-c]furan-1,4-dione