Benzoic acid (R)-1-[(4R,5S,6S)-6-((S)-3-{(4R,5S)-5-[(S)-1-(tert-butyl-diphenyl-silanyloxy)-ethyl]-4-methyl-4,5-dihydro-isoxazol-3-yl}-butyl)-2,2,5-trimethyl-[1,3]dioxan-4-yl]-ethyl ester
Benzoic acid (1R,2R,3R,7S)-7-{(4R,5S)-5-[(S)-1-(tert-butyl-diphenyl-silanyloxy)-ethyl]-4-methyl-4,5-dihydro-isoxazol-3-yl}-2-hydroxy-1,3-dimethyl-4-oxo-octyl ester
Benzoic acid (R)-1-[(4S,5R)-3-((E)-(S)-3-{(4R,5S)-5-[(S)-1-(tert-butyl-diphenyl-silanyloxy)-ethyl]-4-methyl-4,5-dihydro-isoxazol-3-yl}-but-1-enyl)-4-methyl-4,5-dihydro-isoxazol-5-yl]-ethyl ester
5-((R)-2-{(4R,5S)-5-[(S)-1-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-4-methyl-4,5-dihydro-isoxazol-3-yl}-propane-1-sulfonyl)-1-phenyl-1H-tetrazole
5-((R)-2-{(4R,5S)-5-[(S)-1-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-4-methyl-4,5-dihydro-isoxazol-3-yl}-propylsulfanyl)-1-phenyl-1H-tetrazole