tert-butyl (6S,7R,10S,13S,16S)-16-benzyl-6-((Z)-6-ethoxy-6-oxohex-2-en-1-yl)-10-isopropyl-2,2,7,13-tetramethyl-4,8,11,14-tetraoxo-3-oxa-5,9,12,15-tetraazaheptadecan-17-oate

ethyl (Z)-6-((2S,5S,8S,11S,12R)-8-benzyl-2-isopropyl-5,12-dimethyl-3,6,9,13-tetraoxo-1,4,7,10-tetraazacyclotridecan-11-yl)hex-4-enoate

2-(3-Benzyloxyprop-1-enyl)-7-(tert-butyldiphenylsilanyloxy)-5-methoxy-6-methylheptane-1,3-diol

tert-butyl ((2R,3S)-5-(benzyloxy)-1-((tert-butyldiphenylsilyl)oxy)-2-methylpentan-3-yl)carbamate

tert-butyl ((2R,3S)-1-((tert-butyldiphenylsilyl)oxy)-2-methyl-5-oxopentan-3-yl)carbamate