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A taraxasterol derivative and phenolic compounds from Hieracium gymnocephalum
(Elsevier Ltd, 1999)
From the aerial parts of Hieracium gymnocephalum the new triterpene, 21α-hydroxy-taraxasterol and flavone diglycosides luteolin 7-O-α-L- rhamnosyl(1 → 6)-β-D-glucoside and luteolin 7-O-β-D-xylosyl(1 → 6)-β-D- glucoside ...
Flavonoid and phenolic acid patterns in seven Hieracium species
(Biochemical Systematics and Ecology, 1999)
We propose a new model for landslide dynamics under the assumption of a delay failure mechanism. Delay failure is simulated as a delayed interaction between adjacent blocks, which mimics the relationship between the ...