(1'RS,2SR)-2,6,6-trimethyl-2-[1'-(3-furyl)-2-oxopropyl]cyclohexanone

[(4R,4aS,8aR)-4-(furan-3-yl)-3,4a,8,8-tetramethyl-2-oxido-4,5,6,7-tetrahydro-1,2-benzoxazin-2-ium-8a-yl]oxy-trimethylsilane

(2R)-1-(furan-3-yl)-4,4,7a-trimethyl-2,5,6,7-tetrahydro-1H-inden-2-ol

(1RS,7aSR)-1-(3-furyl)-4,4,7a-trimethyl-1,4,5,6,7,7a-hexahydro-2H-inden-2-one