(R)-2-[(2R,5S)-5-((1S,2S)-2-Hydroxy-1-methyl-pentyl)-tetrahydro-furan-2-yl]-butyric acid benzyl ester

2-(5-{2-[2-(5-{2-(tert-butyl-dimethyl-silanyloxy)-3-[5-(2-dimethylamino-pentyl)-tetrahydro-furan-2-yl]-1-methyl-butyl}-tetrahydro-furan-2-yl)-propionyloxy]-1-methyl-pentyl}-tetrahydro-furan-2-yl)-butyric acid benzyl ester