(3R,3aS,5R,6aR)-3-methoxyhexahydro-2H-cyclopenta-[b]furan-5-ol

(3R,3aS,5R,6aR)-3-methoxyhexahydro-2H-cyclopenta[b]furan-5-yl ((2S,3R)-3-hydroxy-4-((N-isobutyl-4-methoxyphenyl)sulfonamido)-1-phenylbutan-2-yl)carbamate