(S)-2-[(S)-2-((S)-2-Amino-3-methyl-butyrylamino)-propionylamino]-3-phenyl-propionic acid tert-butyl ester

((2R,3S,Z)-3-amino-9-ethoxy-2-methyl-9-oxonon-5-enoyl)-L-valyl-L-alanyl-L-phenylalanine

(((2R,3S)-3-azido-5-(benzyloxy)-2-methylpentyl)oxy)(tert-butyl)diphenylsilane

tert-butyl ((2R,3S)-5-(benzyloxy)-1-((tert-butyldiphenylsilyl)oxy)-2-methylpentan-3-yl)carbamate

(3R,4S)-1-(benzyloxy)-4-methylhex-5-en-3-yl acetate