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    • Negrete Córdova, Rosa; Backhouse Erazo, Nadine; Cajigal, Iván; Delporte Vergara, Carla; Cassels Niven, Bruce; Breitmaier, Eberhard; Eckhardt, Gert (Elsevier Scientific Publishers Ireland Ltd., 1993-07-08)
      Two previously undescribed elemanolide esters, the 2-methylpropanoate and 2-methyl-2-propenoate of 11,13dehydromelitensin, were iso1ated in the course of a bioassay-guided fractionation from the aeria1 parts of ...