AIDS-161972 AIDS161972 L-Prolinamide, L-.alpha.-aspartyl-L.-.alpha.-glutamyl-L-valyl-L-valyl-N-[(1R)-1-[(3aS,4S,6S,7aR)-hexahydro-3a,5,5-trimethyl-4,6-methano-1,3,2-benzodioxaborol-2-yl]phenylethyl]-