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Intermedine-D7 is a labelled analogue of Intermedine (I666660). Intermedine is an unsaturated monoester pyrrolizidine alkaloid that is extracted from the seeds of Amsinckia intermedia, a tarweed that causes enzootic hepatic cirrhosis in horses and hard liver disease in cattle. Intermedine is also a diastereomer of Lycopsamine (L487525), a pyrrolizidine alkaloid that is found in honey and in comfrey (a topical anti-inflammatory agent used to treat patients with arthritis and gout).

ChEBI: A carboxylic ester compound formed from condensation between retronecine and (2S,3R)-2,3-dihydroxy-2-isopropylbutanoic acid.