(S)-2-(N'-tert-Butoxycarbonyl-N-{(R)-2-[(2S,3S)-2-((S)-sec-butyl)-1-(tert-butyl-dimethyl-silanyl)-4-oxo-azetidin-3-yloxy]-4-methyl-pentanoyl}-hydrazino)-4-methyl-pentanoic acid benzyl ester

(2S,2'R,1''S,2''R,1''''R)1''-(3'''-{1''''-[(tert-butoxy)carbonyl]-2''''-p-methoxyphenylethylcarbamoyl}allyl)-2''-methyl-4''-phenylbut-3''-enyl 2-[(3'-{[(tert-butoxy)carbonyl]amino}-2'-methylpropionyl)oxy]-4-methylpentanoate

(2S,3R)-3-Benzyloxy-2-[((S)-1-{(S)-2-[(S)-2-tert-butoxycarbonylamino-3-(4-hydroxy-phenyl)-propionyloxy]-4-methyl-pentanoyl}-pyrrolidine-2-carbonyl)-amino]-butyric acid benzyl ester

(E)-(3S,6R,10R,16S)-16-((1R,2R,3R)-3-Chloro-2-hydroxy-1-methyl-3-phenyl-propyl)-10-(3-chloro-4-methoxy-benzyl)-3-isobutyl-6-methyl-1,4-dioxa-8,11-diaza-cyclohexadec-13-ene-2,5,9,12-tetraone

(2S,2'R)-2-<<3'<(tert-butoxycarbonyl)amino>-2'-methylpropanoyl>oxy>-4-methylpentanoic acid