Synonyms: 1,1'-{[(4R,5S,6S,7R)-4,7-dibenzyl-5,6-dihydroxy-2-oxo-1,3-diazepane-1,3-diyl]dipentane-5,1-diyl}bis(3-methylurea);urea, N,N''-[[(4R,5S,6S,7R)-tetrahydro-5,6-dihydroxy-2-oxo-4,7-bis(phenylmethyl)-1H-1,3-diazepine-1,3(2H)-diyl]di-5,1-pentanediyl]bis[N'-methyl-