(4R,5S,6S,7R)-Hexahydro-5,6-dihydroxy-1,3-bis[(3-(1-oxo-butylphenyl)methyl]-4,7-bis(phenylmethyl)-2H-1,3-diazepin-2-one 1,3-Diazepin-2-one deriv. AIDS-059574 AIDS059574