(4.beta.,5.alpha.,6.beta.,7.beta.)-Hexahydro-5,6-dihydroxy-1,3- bis[(3-(1-hydroxy-1-methylethyl)phenyl]methyl]-4,7-bis(phenylmethyl)-2H-1,3-diazepin-2-one 1,3-Diazepin-2-one deriv. AIDS-031506 AIDS031506