(4a.alpha.,5.alpha.,6.beta.,7.beta.)-3,3'-[Tetrahydro-5,6-dihydroxy-2-oxo-4,7-bis(phenylmethy)-1H-1,3-diazepine-1,3(2H)-diyl]bis(methylene)bis[N-hydroxybenzamide] 153183-64-3 1H-1,3-Diazepine, benzamide deriv. AIDS-042903 AIDS042903 Benzamide, 3,3'-[[(4R,5S,6S,7R)-tetrahydro-5,6-dihydroxy-2-oxo-4,7-bis(phenylmethyl)-1H-1,3-diazepine-1,3(2H)-diyl]bis(methylene)]bis[N-hydroxy- Cyclic urea deriv.