methyl 2-(6-{(3E)(6S,1R,2R)-2-methoxy-7-[(4-methoxyphenyl)methoxy]-1,4-dimethyl-6-(tert-butyldimethylsilyloxy)hept-3-enyl}(2S,4S,5S,6S)-2-methoxy-5-methyl-4-(tert-butyldimethylsiloxy)-2H-3,4,5,6-tetrahydropyran-2-yl)acetate

(1S,5R,9R,10R,11S,12R,13S)-13-[(1R,2R,3S,5S,6R)-7-aza-2-methoxy-1,5-dimethyl-4,9-dioxa-8-oxo-7-(tert-butyldimethylsilyl)bicyclo[4.3.0]non-3-yloxy]-1-hydroxy-5-(hydroxymethyl)-9-methoxy-7,10,12-trimethyl-4,15-dioxabicyclo[9.3.1]pentadec-7-en-3-one

3-(tert-butyl-dimethyl-silanyl)-6-[1,9-dimethoxy-5-(4-methoxy-benzyloxymethyl)-7,10,12-trimethyl-3-oxo-4,15-dioxa-bicyclo[9.3.1]pentadec-7-en-13-yloxy]-7-methoxy-4,7a-dimethyl-tetrahydro-pyrano[3,4-d]oxazol-2-one