Saritas, Y; Reubeta, Sh-Von; Konig, Wa, 2002: Sesquiterpene constituents in Petasites hybridus. Phytochemistry 59(8): 795-803 The essential oil of the rhizomes of Petasites hybridus (Asteraceae) was investigated by gas chromatography, mass spectrometry, 1- and 2-dimensional Nmr techniques and chemical correlations. Two new sesquiterpene hydrocarbons, petasitene and pethybrene, could be identified. Petasitene is the parent sesquiterpene [...]
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