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?? ???? >(6R)-7-(5-Oxazolyl)-6β-[(1S)-1-hydroxy-1-[(Z)-1-propenyl]-2-butynyl]-1,4-dioxaspiro[4.4]non-7-ene
(6R)-7-(5-Oxazolyl)-6β-[(1S)-1-hydroxy-1-[(Z)-1-propenyl]-2-butynyl]-1,4-dioxaspiro[4.4]non-7-ene
(6R)-7-(5-Oxazolyl)-6β-[(1S)-1-hydroxy-1-[(Z)-1-propenyl]-2-butynyl]-1,4-dioxaspiro[4.4]non-7-ene ??
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(6R)-7-(5-Oxazolyl)-6β-[(1S)-1-hydroxy-1-[(Z)-1-propenyl]-2-butynyl]-1,4-dioxaspiro[4.4]non-7-ene C??? ??, ??, ??
(6R)-7-(5-Oxazolyl)-6β-[(1S)-1-hydroxy-1-[(Z)-1-propenyl]-2-butynyl]-1,4-dioxaspiro[4.4]non-7-ene ?? ?? ? ???
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(6R)-7-(5-Oxazolyl)-6β-[(1S)-1-hydroxy-1-[(Z)-1-propenyl]-2-butynyl]-1,4-dioxaspiro[4.4]non-7-ene ?? ??
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