134450-40-1 5(S)-(N-Benzyloxycarbonyl-L-valinyl)-amino-3,3-difluoro-6-phenyl-1-(pyridinyl-2-yl)-4-oxo-hexane AIDS-002718 AIDS002718 Carbamic acid, [1-[[[3,3-difluoro-2-oxo-1-(phenylmethyl)-5-(2-pyridinyl)pentyl]amino]carbonyl]-2-methylpropyl]-, phenylmethyl ester, [S-(R*,R*)]-