Methanesulfonic acid (1R,2R,5S,6R)-5,7-dihydroxy-1-((S)-3-hydroxy-3-{(2S,5S)-5-[(S)-1-(toluene-4-sulfonylamino)-ethyl]-tetrahydro-furan-2-yl}-propyl)-2-methanesulfonyloxy-6-methyl-heptyl ester

N-((S)-1-{(2S,5S)-5-[(E)-(S)-1-Hydroxy-7-((4S,5R)-2,2,5-trimethyl-[1,3]dioxan-4-yl)-hept-4-enyl]-tetrahydro-furan-2-yl}-ethyl)-4-methyl-benzenesulfonamide

{(S)-1-[(2S,5S,2'S,5'S,2''S,5''S)-5''-((R)-2-Hydroxy-1-methyl-ethyl)-dodecahydro-[2,2';5',2'']terfuran-5-yl]-ethyl}-carbamic acid tert-butyl ester

(S)-2-[(2S,5S,2'S,5'S,2''S,5''S)-5''-((S)-1-tert-Butoxycarbonylamino-ethyl)-dodecahydro-[2,2';5',2'']terfuran-5-yl]-propionic acid

N-{(S)-1-[(2S,5S,2'S,5'S,2''S,5''S)-5''-((R)-2-Hydroxy-1-methyl-ethyl)-dodecahydro-[2,2';5',2'']terfuran-5-yl]-ethyl}-4-methyl-benzenesulfonamide