4a,8,8-trimethyl-4,5,6,7-tetrahydro-3H-naphthalen-2-one

(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

2,2,6-trimethyl-6-(3-oxobutyl)cyclohexan-1-one