(1R,4aR,7aR)-4a-methyltetrahydro-1-oxacyclopropaindene-2,5-dione

(-)-(3aR,4R,7aR)-4-(4-methylpentyl)-3a,4,5,6,7,7a-hexahydro-7a-methylindan-1,5-dione

(-)-(3aR,4R,7aR)-1,5-diacetoxy-4-(4-methylpentyl)-3a,4,7,7a-tetrahydro-7a-methyl-1-indene