(3S,4R)-4-(tert-butoxycarbonylamino)-3-hydroxy-5-methylhexanoic acid methyl ester

(9S,17R)-6R-isopropyl-20R-methyl-5S-triisopropylsilanyloxy-2-oxa-11,12-dithia-7,19,22-triazabicyclo[7.7.6]docos-15E-ene-3,8,18,21-tetraone

4R-[2-(9H-fluoren-9-ylmethoxycarbonylamino)-3S-tritylsulfanylpropionylamino]-3S-hydroxy-5-methylhexanoic acid 2,2,2-trichloroethyl ester

4R-{2S-[2-(3S-hydroxy-7-tritylsulfanylhept-4E-enoylamino)propionylamino]-3-tritylsulfanylpropionylamino}-5R-methyl-3S-triisopropylsilanyloxyhexanoic acid

12R-isopropyl-6R-methyl-13S-triisopropylsilanyloxy-2R-[4-(triphenyl-λ-sulfanyl)but-1E-enyl]-9S-tritylsulfanylmethyl-1-oxa-5,8,11-triazacyclopentadecane-4,7,10,15-tetraone

4R-{2S-[2-(3S-hydroxy-7-tritylsulfanylhept-4E-enoylamino)propionylamino]-3-tritylsulfanylpropionylamino}-5R-methyl-3S-triisopropylsilanyloxyhexanoic acid 2,2,2-trichloroethyl ester

epi-4R-{2S-[2-(3R-hydroxy-7-tritylsulfanylhept-4E-enoylamino)propionylamino]-3-tritylsulfanylpropionylamino}-5R-methyl-3S-triisopropylsilanyloxyhexanoic acid 2,2,2-trichloroethyl ester

(9S,17S)-6R-isopropyl-20R-methyl-5S-triisopropylsilanyloxy-2-oxa-11,12-dithia-7,19,22-triazabicyclo[7.7.6]docos-15E-ene-3,8,18,21-tetraone

tert-butyl ((3S,7S,10R,11S,15S,18S,23aS)-11-hydroxy-18-isobutyl-10,15-diisopropyl-3-(4-methoxybenzyl)-2-methyl-1,4,8,13,16,19-hexaoxoicosahydro-15H-pyrrolo[1,2-g][1,13]dioxa[4,7,10,17]tetraazacyclohenicosin-7-yl)carbamate

((S)-2-(((3S,4R)-4-((2S,3R)-2-((tert-butoxycarbonyl)amino)-3-(((S)-3-(4-methoxyphenyl)-2-(methylamino)propanoyl)oxy)butanamido)-3-hydroxy-5-methylhexanoyl)oxy)-3-methylbutanoyl)-L-leucyl-L-alanine

2R-isopropyl-6R-methyl-13S-triisopropylsilanyloxy-2S-[4-(triphenyl-λ-sulfanyl)but-1E-enyl]-9S-tritylsulfanylmethyl-1-oxa-5,8,11-triazacyclopentadecane-4,7,10,15-tetraone