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

(1S,2S,5S,6R,7R)-2-Ethyl-6-methyl-5-propyl-4,10-dioxa-bicyclo[5.2.1]decan-3-one

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

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

(R)-2-((2R,5S)-5-{(1R,2S)-2-[(R)-2-((2R,5S)-5-{(1S,2S,3S)-3-[(2R,5S)-5-((R)-2-Dimethylamino-pentyl)-tetrahydro-furan-2-yl]-2-hydroxy-1-methyl-butyl}-tetrahydro-furan-2-yl)-propionyloxy]-1-methyl-pentyl}-tetrahydro-furan-2-yl)-butyric acid