N5-benzyloxycarbonyl-N2-(toluene-4-sulfonyl)-L-ornithine

1,1-dimethylethyl (S)-2-(((4-methylphenyl)sulfonyl)-amino)-5-(((phenylmethoxy)carbonyl)amino)pentanoate

1,1-dimethylethyl (methyl-5,7,8,9-tetradeoxy-9(S)-(((4-methylphenyl)sulfonyl)amino)-2,3-O-(1-methylethylidene)-β-D-ribo-6-deculofuranosid)uronate

1,1-dimethylethyl [methyl-6-hydroximino-5,6,7,8,9-pentadeoxy-9(S)-[[(4-methylphenyl)sulfonyl]amino]-2,3-O-(1-methylethylidene)-β-D-ribo-dec-5-enofuranosid]uronates