AIDS-030442 AIDS030442 NSC672462 Threoninamide, N-[(phenylmethoxy)carbonyl]phenylalanyl-S-(acetylmethylamino)cysteinylphenylalanyltryptophyl-N~6~-[(phenylmethoxy)carbonyl]lysyl-O-(phenylmethyl)threonyl-S-(acetylmethylamino)cysteinyl-O-(phenylmethyl)-