(R)-2-[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-2-methoxy-propionylamino]-4-methyl-pentanoic acid

(2S,3aR,5S,6S,7aS)-1-{(R)-2-[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-2-methoxy-propionylamino]-4-methyl-pentanoyl}-5,6-bis-methoxymethoxy-octahydro-indole-2-carboxylic acid methyl ester

(2S,3aR,5S,6S,7aS)-1-{(R)-2-[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-2-methoxy-propionylamino]-4-methyl-pentanoyl}-5,6-bis-methoxymethoxy-octahydro-indole-2-carboxylic acid

tert-butyl (((tert-butoxycarbonyl)imino)(3-(2-((2S,3aR,5S,6S,7aS)-1-(((R)-3-((tert-butyldiphenylsilyl)oxy)-2-methoxypropanoyl)-D-leucyl)-5,6-bis(methoxymethoxy)octahydro-1H-indole-2-carboxamido)ethyl)-2,5-dihydro-1H-pyrrol-1-yl)methyl)carbamate

(2S,3R,2'R)-2-[3'-(tert-butyldiphenylsilyloxy)-2'-methoxypropionylamino]-3-chloro-4-methylpentanoic acid