tert-butyl (4-{[3-(2,4-bis(benzyloxy)benzoylamino)propyl]-tert-butoxycarbonylamino}butyl)carbamate

1-(2,4-dibenzyloxyphenyl)-3-(2-hydroxy-4-benzyloxyphenyl)-1,3-propanedione

1,3-bis(2,4-dihydroxyphenyl)-1,3-propanedione

(S)-2-[2-(2,4-Bis-benzyloxy-phenyl)-acetylamino]-N1-(5-oxo-pentyl)-succinamide