3-((2S,4aR,6S,8R,8aR)-8-(benzyloxy)-6-((1S,3S)-1-(benzyloxy)-3-((2S,6R,11S)-11-methyl-1,7-dioxaspiro[5.5]undecan-2-yl)butyl)-2-methoxy-7-methyleneoctahydropyrano[3,2-b]pyran-2-yl)propanal

((2S,4R,4aR,6R,8aR)-4-Benzyloxy-6-but-3-enyl-6-methoxy-3-methylene-octahydro-pyrano[3,2-b]pyran-2-ylmethoxy)-tert-butyl-dimethyl-silane

(4S)-4-benzyl-3-[(2S)-5-(benzyloxy)-2-methylpentanoyl]-1,3-oxazolan-2-one