Browsing by Subject "Haplopappus pulchellus, H. arbutoides, H. remyanus, H. rengifoanus, H. marginalis"
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(1991)From the aerial parts of Haplopappus pulchellus two new labdanes and six friedolabdanes were isolated while H. arbutoides afforded in addition to known labdanes five new ones, two clerodanes and a cyperone derivative. ...