(5′R)-5′-C-[(2S,5S,6S)-6-[[N-[[3,4-Bis(heptyloxy)phenyl]methyl]-N-[[(4-nitrophenyl)methoxy]carbonyl]-β-alanyl-β-alanyl]oxy]-5-[(diphenylmethoxy)carbonyl]hexahydro-1,4-dimethyl-3-oxo-1H-1,4-diazepin-2-yl]-2′-deoxy-5′-O-[2,5-dideoxy-3-O-[(4-methoxyphenyl)methyl]-5-[[[(4-nitrophenyl)methoxy]carbonyl]am..

(5′R)-2′-Deoxy-5′-O-[2,5-dideoxy-3-O-[(4-methoxyphenyl)methyl]-5-[[[[(4-nitrophenyl)methoxy]carbonyl]oxy]amino]-β-D-erythro-pentofuranosyl]-5′-C-[(2S,5S,6S)-5-[(diphenylmethoxy)carbonyl]-6-[[2-[dodecyl[4-[2-[[[(4-nitrophenyl)methoxy]carbonyl]amino]ethyl]benzoyl]amino]acetyl]oxy]hexahydro-1,4-dimethy..