(-)-4(R)-tetrahydropyranoxy-2-cyclopenten-1(S)-yl N-mesyl-(S)-phenylalaninate

(3aSR,5R,6aR)-(+)-5-Hydroxy-hexahydro-2H-cyclopenta(b)furan-2-on

(1R,2S,5R)-(-)-2-Methylbicyclo<3.2.1>octan-3,6-dion

(3aR,5R,6aR)-(+)-Essigsaeure-(2-oxo-hexahydro-2H-cyclopenta(b)furan-5-yl)ester

双环[3.2.0]庚-2-烯-6-酮