A new bicyclic spiroketone was isolated from the bud of Chrysanthemum indicum L.The chemical structure was elucidated as (1R, 9S, 10S)-10-hydroxyl-8 (2', 4'-diynehexylidene)-9-isovaleryloxy-2, 7-dioxaspiro [5, 4] decane based on the X-ray crystallography.
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(2025-6-4)
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