2-{3-[(2R,3S,6S,8S)-8-((E)-(3S,6R)-6-Hydroxy-3,5-dimethyl-hept-4-enyl)-3-methyl-1,7-dioxa-spiro[5.5]undec-2-yl]-propyl}-isoindole-1,3-dione

(2S,3R)-4-{[(9H-fluoren-9-ylmethoxy) carbonyl]-amino}-3-hydroxy-2-methyl butanoic acid

(E)-(2R,5S)-7-[(2S,6S,8R,9S)-8-(3-Amino-propyl)-9-methyl-1,7-dioxa-spiro[5.5]undec-2-yl]-3,5-dimethyl-hept-3-en-2-ol

(2S)-2-[(5R)-3-(tert-butoxycarbonyl)-2,2-dimethyloxazolidin-5-yl]propanoic acid

(2S)-2-methyl-4-{(2S,6R,8R,9S)-8-[3-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)propyl]-9-methyl-1,7-dioxaspiro[5.5]undecane}butanal