nonactin
benzyl 8-tert-butyldimethylsilyl-(+)-nonactyl-(-)-nonactyl-(+)-nonactyl-(-)-nonactate
(S)-2-{(2S,5R)-5-[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-propyl]-tetrahydro-furan-2-yl}-propionic acid (S)-2-[(2S,5R)-5-((R)-1-benzyloxycarbonyl-ethyl)-tetrahydro-furan-2-yl]-1-methyl-ethyl ester
(S)-2-[(2S,5R)-5-((R)-2-Hydroxy-propyl)-tetrahydro-furan-2-yl]-propionic acid (S)-2-[(2S,5R)-5-((R)-1-benzyloxycarbonyl-ethyl)-tetrahydro-furan-2-yl]-1-methyl-ethyl ester