N-((3R,3aR,5R,6aR)-5-hydroxyhexahydro-2H-cyclopenta[b]furan-3-yl)-methanesulfonamide

(3R,3aR,5R,6aR)-3-(methylsulfonamido)hexahydro-2H-cyclopenta[b]furan-5-yl ((2S,3R)-3-hydroxy-4-(N-isobutyl-4-methoxyphenylsulfonamido)-1-phenylbutan-2-yl)carbamate