From the roots of Crepis mollis, one new and two known guaianolides were is
olated together with eight known guaianolide glycosides, one known germacra
nolide glycoside and two known phenylpropanoids. The structure and relative
configuration of the new compound were established as 9 alpha-hydroxy-4 be
ta, 15, 11 beta, 13-tetrahydro-dehydrozaluzanin C by spectral methods. (C)
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