tert-butyl (2R)-2-[(4R,5R,6R)-6-[(1R)-2-tert-butyldiphenylsilyloxy-1-methylethyl]-5-methyl-2-oxo[1,3]dioxan-4-yl]-2-iodopropionate

(2R,3R,4R,5R,6R)-7-(tert-butyldiphenylsilyloxy)-3,5-dihydroxy-N,N-methoxymethyl-2,4,6-trimethylheptamide

tert-butyl 2R-2-iodo-[(4R,5R)-5-methyl-2-oxo[1,3]dioxan-4-yl]propionate

tert-butyl (2R)-2-[(4R,5R,6R)-6-[(1R)-2-tert-butyldiphenylsilyloxy-1-methylethyl]-5-methyl-2-oxo[1,3]dioxan-4-yl]propionate

tert-butyl (2R)-2-[(4R,5R)-2,2,5-trimethyl[1,3]dioxan-4-yl]propionate