Pyrrolizidine alkaloids.
D000470:Alkaloids / Q000138:chemical synthesis; D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D003998:Dicarboxylic Acids / Q000138:chemical synthesis; D007887:Fabaceae / Q000032:analysis; D007915:Lepidoptera / Q000032:analysis; D008968:Molecular Conformation; D010946:Plants, Medicinal / Q000032:analysis; D011763:Pyrrolizidine Alkaloids / Q000032:analysis* / Q000138:chemical synthesis / Q000494:pharmacology / Q000633:toxicity; D013237:Stereoisomerism; D014961:X-Ray Diffraction
D000470:Alkaloids; D003998:Dicarboxylic Acids; D011763:Pyrrolizidine Alkaloids; C008590:necic acid