hexahydro-2H-furo(2,3-b)pyran-4-yl-(2S,3R)-4-(N-isobutyl-4-methoxyphenylsulfonamido)-3-hydroxy-1-phenylbutan-2-yl carbamate
hexahydro-2h-furo(2,3-b)pyran-4-yl-(2s,3r)-4-(n-isobutyl-4-methoxyphenylsulfonamido)-3-hydroxy-1-phenylbutan-2-yl carbamate