Chemical constituents of Tolpis species.
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PMID: 19524645
Phytochemical research of two Tolpis species, T. webbii and T. sp., led to the isolation of three new compounds: 2,4'-dihydroxy-4-methoxybenzophenone (1) and the triterpenes 21 alpha, 22 alpha-epoxy-20 alpha-hydroxy-20(30)-dihydrotaraxasterol (2) and 3beta-hydroxytaraxaste …
Phytochemical research of two Tolpis species, T. webbii and T. sp., led to the isolation of three new compounds: 2,4'-dihydroxy-4-met …