(5S,8S,9R)-8-benzoyl-2-[(1S,2S,3Z)-1,2-bis(methoxymethoxy)-3-hexenyl]-8-hydroxy-9-methoxymethoxy-3-methyl-1-oxa-7-azaspiro[4.4]non-2-ene-4,6-dione

(5S,8S,9R)-8-benzoyl-2-[(1S,2R,3S,4S)-3,4-dibromo-1,2-dihydroxyhexyl]-9-hydroxy-8-methoxy-3-methyl-1-oxa-7-azaspiro[4.4]non-2-ene-4,6-dione

(2R,3S,4Z)-2,3-bis(methoxymethoxy)hept-4-enal

(2R,3S,4Z)-2,3-bis(methoxymethoxy)hept-4-en-1-ol

(2S,3S,4R)-4-benzyl-2-propanoyl-2,3-bis(triethylsiloxy)-4-butanolide