(2E,4R)-4-([tert-butyl(diphenyl)silyl]oxy)-2-methylpent-2-en-1-ol

ethyl (2E,4R)-4-([tert-butyl(diphenyl)silyl]oxy)-2-methylpent-2-enoate

(R,2Z,4E)-methyl 2-(benzyloxycarbonylamino)-6-(tert-butyl-diphenylsilyloxy)-4-methylhepta-2,4-dienoate

(2S,6R,E)-methyl 2-(benzyloxycarbonylamino)-6-(tert-butyldiphenylsilyloxy)-4-methylhept-4-enoate

(2S,6R,E)-methyl 2-((benzyloxycarbonyl)(tert-butoxycarbonyl)amino)-6-(tert-butyldiphenylsilyloxy)-4-methylhept-4-enoate