(3S,4S)-3-(tert-butyldimethylsilyloxy)-4-methyloctan-1-ol

(3S,4S)-3-{(R)-2-[(S)-2-((S)-2-Benzyloxycarbonylamino-3-phenyl-propionylamino)-propionylamino]-4-methyl-pentanoyloxy}-4-methyl-octanoic acid 4-nitro-benzyl ester

(R)-2-((S)-2-{(S)-2-[(3S,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-4-methyl-octanoylamino]-3-phenyl-propionylamino}-propionylamino)-4-methyl-pentanoic acid

(3S,4S)-4-nitrobenzyl 3-hydroxy-4-methyl octanoate

(3S,4S)-4-nitrobenzyl 3-(tert-butyldimethylsilyloxy)-4-methyl octanoate