title: Aristolochic acids in Aristolochia chilensis.
abstract: The major components of the acid fraction of the leaves and tender stems of Aristolochia chilensis Miers are aristolochic acids I and Ia. Aristolochic acid Ia has been isolated from plant material for the fïrst time, and its PMR spectrum is discussed.
authors.affiliation: Department of Chemistry, Faculty of Science, University of Santiago, Chile.
authors.forename: A
authors.initials: A
authors.lastname: Urzúa
authors.forename: G
authors.initials: G
authors.lastname: Salgado
authors.forename: B K
authors.initials: BK
authors.lastname: Cassels
authors.forename: G
authors.initials: G
authors.lastname: Eckhardt