(R)-4-Cyano-N-[3-[Cyclopropyl(5,6,7,8,9,10-hexahydro-4-hydroxy-2-oxo-2H-cycloocta[b]pyran-3-yl)methyl]phenyl]benzenesulfonamide 166335-16-6 4OH-cyclooctapyran-2-one, PhSO2NH deriv. AIDS-043519 AIDS043519 PNU 103264