2-((2R,3R,7S,10R)-2,3,10-trimethyl-1,4,6-trioxaspiro[4.5]decan-7-yl)acetaldehyde

(S)-methyl 1-(2-((2R,3R,6S)-2-hydroxy-6-((S,E)-2-methoxy-3-methylhex-3-en-5-yn-1-yl)-3-methyltetrahydro-2H-pyran-2-yl)-2-oxoacetyl)piperidine-2-carboxylate

(S)-1-(2-((2S,3R,6S)-6-((S,3E,5E)-6-iodo-2-methoxy-3-methylhexa-3,5-dien-1-yl)-3-methyl-2-((triethylsilyl)oxy)tetrahydro-2H-pyran-2-yl)-2-oxoacetyl)piperidine-2-carboxylic acid

methyl (S)-1-(2-((2S,3R,6S)-6-((S,3E,5E)-6-iodo-2-methoxy-3-methylhexa-3,5-dien-1-yl)-3-methyl-2-((triethylsilyl)oxy)tetrahydro-2H-pyran-2-yl)-2-oxoacetyl)piperidine-2-carboxylate