(2S)-2-(benzyloxycarbonylamino)-1-(7-methylbenzo[d][1,3]oxazol-2-yl)-1-propanol

(2S,3S)-2-{[(S)-2-((S)-1-Benzyloxycarbonylamino-ethyl)-4-methyl-4,5-dihydro-oxazole-4-carbonyl]-methyl-amino}-5-(tert-butyl-diphenyl-silanyloxy)-3-methyl-pentanoic acid methyl ester

(2S)-2-(benzyloxycarbonylamino)-1-(4-methylbenzo[d][1,3]oxazol-2-yl)-1-propanol

(2S,3S)-2-{[(S)-2-Azido-3-((S)-2-benzyloxycarbonylamino-propionyloxy)-2-methyl-propionyl]-methyl-amino}-3-methyl-pentanoic acid methyl ester

(2S,3S)-2-{[(S)-2-Azido-3-((S)-2-benzyloxycarbonylamino-propionyloxy)-2-methyl-propionyl]-methyl-amino}-5-(tert-butyl-diphenyl-silanyloxy)-3-methyl-pentanoic acid methyl ester