New polyoxygenated steroidal glucosides from chrysolina hyperici (coleoptera : chrysomelidae) |
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Authors: | D Daloze JC Braekman JM Pasteels |
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Institution: | Collectif de Bio-écologie, Faculté des Sciences Université Libre de Bruxelles - Brussels - Belgium |
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Abstract: | Two new polyoxygenated steroidal glucosides ( and ) have been isolated from the defensive secretion of C. hyperici and their structures have been determined by spectroscopic and chemical methods. |
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