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The chemical study of two species of the tribe Senecioneae afforded two eremophilanes and two pyrrolizidine alkaloids from Se- necio subauriculatus and four modified eremophilanes from Roldana oaxacana. The chemistry of these species is in accord with that re- ported for species of Senecio and Roldana studied so far, and therefore, with the already described for the tribe Senecioneae.

Eremophilanes and Pyrrolizidine Alkaloids of Senecioneae Species