(2R,3S,6R)-3-[(tert-butyldimethylsilyl)oxy]-6-[(tert-butyldimethylsilyl)oxymethyl]-2-methyloctanal

(2R,3S,6R)-3-[(tert-butyldimethylsilyl)oxy]-6-{[(tert-butyldimethylsilyl)oxy]methyl}-N,2-dimethyl-N-(methoxy)octanamide

(Z)-(2S,8R,9S,12R)-9-(tert-Butyl-dimethyl-silanyloxy)-12-(tert-butyl-dimethyl-silanyloxymethyl)-2-((4S,6R)-2,2-di-tert-butyl-6-methyl-[1,3,2]dioxasilinan-4-yl)-5-(N',N'-dimethyl-hydrazino)-8-methyl-tetradec-5-en-7-one