{(2R,3S)-3-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-oxiranyl}-methanol

(2S,3S)-3-(2-((tert-butyldiphenylsilyl)oxy)ethyl)oxirane-2-carboxylic acid

(2S,3R)-5-((tert-butyldiphenylsilyl)oxy)-2-hydroxy-3-methylpentanoic acid

(2S,3R)-2-acetoxy-5-((tert-butyldiphenylsilyl)oxy)-3-methylpentanoic acid

((2S,2'R,4'R,5'S,5a'R,9a'R)-4'-hydroxy-5',8'-dimethyl-2',3',4',5',7',9a'-hexahydrospiro[oxirane-2,10'-[2,5]methanobenzo[b]oxepin]-5a'(6'H)-yl)methyl (2S,3R)-2-acetoxy-5-((tert-butyldiphenylsilyl)oxy)-3-methylpentanoate