[L-(trans)]-4-[(t-butoxycarbonyl)amino]-2-methyl-5-phenyl-2-pentenoic acid

(1R,2'R,1'''R,3'''S)-{1-[2'-{4''-[1'''-benzyl-4'''-(tert-butyldiphenylsilanyloxy)-3'''-methylbutylcarbamoyl]thiazol-2''-yl}-2'-(tert-butyldiphenylsilanyloxy)ethyl]-2-methylpropyl}carbamic acid benzyl ester

methyl (2S,4R)-4-[((R)-2-{3-[(N-benzyloxycarbonyl-(R)-pipecolyl-(S)-isoleucyl)methylamino]-4-methylpentyl}thiazole-4-carbonyl)amino]-2-methyl-5-phenylpentanoate

[(1R,3S)-1-Benzyl-4-(tert-butyl-diphenyl-silanyloxy)-3-methyl-butyl]-carbamic acid tert-butyl ester

(1R,3R,1''R,3''S)-acetic acid 1-[4'-(1''-benzyl-4''-hydroxy-3''-methylbutylcarbamoyl)thiazol-2'-yl]-3-benzyloxycarbonylamino-4-methylpentyl ester