2-Pyridinesulfonamide, N-[3-[1-[5-butyl-5-[2-[3-[[(5-cyano-2-pyridinyl)sulfonyl]amino]phenyl]ethyl]-5,6-dihydro-4-hydroxy-2-oxo-2H-pyran-3-yl]propyl]phenyl]-5-cyano- AIDS-111157 AIDS111157