哥纳香二醇; (6R)-6-[(1R,2R)-1,2-二羟基-2-苯基乙基]-5,6-二氢-2H-吡喃-2-酮

(R)-5-[(1R,2S,3R)-2-Benzyloxy-3-(tert-butyl-dimethyl-silanyloxy)-1-hydroxy-3-phenyl-propyl]-5H-furan-2-one

(R)-6-[(1S,2R)-1-Benzyloxy-2-(tert-butyl-dimethyl-silanyloxy)-2-phenyl-ethyl]-5,6-dihydro-pyran-2-one

(R)-6-[(1S,2R)-1-Benzyloxy-2-(tert-butyl-dimethyl-silanyloxy)-2-phenyl-ethyl]-3,6-dihydro-pyran-2-one

4-Nitro-benzoic acid (1S,2S)-2-benzyloxy-2-((R)-6-oxo-3,6-dihydro-2H-pyran-2-yl)-1-phenyl-ethyl ester