(4b,5.alpha.,6.beta.,7.beta.)]-Hexahydro-5,6-dihydroxy-1,3- bis[(4-(1-hydroxy-1-methylethyl)phenyl]methyl]-4,7-bis(phenylmethyl)-2H-1,3-diazepin-2-one 1,3-Diazepin-2-one deriv. AIDS-031505 AIDS031505