Acetic acid (E)-(4S,5S,10R,11S,12S,13R,15R)-15-benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-5,16-dimethoxy-10,12-dimethyl-9-oxo-13-triethylsilanyloxy-11-trimethylsilanyloxy-hexadec-7-enyl ester

acetic acid 4-(tert-butyl-dimethyl-silanyloxy)-6-{5-[4-(tert-butyl-dimethyl-silanyloxy)-6-(2-hydroxy-3-methoxy-propyl)-2-methoxy-3,5-dimethyl-tetrahydro-pyran-2-yl]-2-oxo-[1,3]dioxolan-4-yl}-5-methoxy-hexyl ester