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[摘要]：Three new C-15 polyacetylenes 1, 2, and 3, together with two known C15 polyacetylenes 4 and 5 were isolated from the seedlings of sunflower Helianthus annuus L. cv. Russia, and their structures were elucidated by spectroscopic data and chemical means. Compounds 1, 2, 4, and 5 exhibited antimicrobial activity against Staphyrococcus aureus and especially compound 1 showed strong activity. |
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