(1R,2R,8S,8aR)-8-(acetyloxy)-2-hydroxy-2-methyl-1,2,3,4,6,7,8,8a-octahydronaphthalene-1-propanol acetate

(7Ar)-7a-甲基-2,3,7,7a-四氢-1H-茚-1,5(6h)-二酮