(2R,4aR,4bS,5aR,7R,9aS,12aS)-7,10,10,12a-tetramethyl-1,5a,6,8,9,9a,10,12a-octahydro-4bH,7H-2,4a-epoxybenzo[5,6][1,3]oxazino[2,3-a]isoindol-12(2H)-one

8-N-methacrylaminomenthol

8-furfurylaminomenthol

(2R,4aR,4bS,5aR,7R,9aS,12aR)-7,10,10,12a-tetramethyl-1,2,5a,6,8,9,9a,10,12,12a-decahydro-4bH,7H-2,4a-epoxybenzo[5,6][1,3]oxazino[2,3-a]isoindole

(3R,4aS,4bS,5aR,7R,9aS,12aR)-4a,7,10,10-tetramethyl-3,4,4a,4b,5a,6,8,9,9a,10-decahydro-7H,12H-3,12a-epoxybenzo[5,6][1,3]oxazino[2,3-a]isoindole