非表示:
キーワード:
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要旨:
Two novel, non-glaucolide, germacrolide sesquiterpene lactones, 8.alpha.-methacryloyloxycostunolide-1(10),4(5)-diepoxide and 1-oxo-10.alpha.-OH-8.alpha.-methacryloyloxycostunolide (not fully characterized), were isolated from V. jonesii and the previous