(1R,4S)-2,2:3,3-bis(ethylenedioxy)-1,7,7-trimethylbicyclo[2.2.1]heptane

(1S,4R)-3,3-ethylenedioxy-4,7,7-trimethylbicyclo[2.2.1]heptan-2-one

D-樟脑酸

diethyl (1R,3S)-1,2,2-trimethylcyclopentane-1,3-dicarboxylate

反式-(1R)-(+)-樟脑醌-3-肟