title: Constituents of the Trunk Resin of Eperua purpurea.
abstract: The major diterpene acids and neutral constituents of Eperua purpurea Benth. have been isolated and identified. The first isolation of crystalline racemic labda-8 (20), 13-dien-15-oic acid and of a high molecular weight (580) ester derived from labd-8 (20)-en-15-oic acid and the corresponding alcohol, is described.
authors.affiliation: Centro de Química, Instituto Venezolane de Investigaciones Científicas, Caracas, Venezuela.
authors.forename: J D
authors.initials: JD
authors.lastname: Medina
authors.forename: V
authors.initials: V
authors.lastname: De Santis