title: New diterpenoids from Calceolaria polifolia.
abstract: Four new and seven known diterpenes have been isolated from the dichloromethane extract of the aerial parts of Calceolaria polifolia. The structures of the new compounds were established by spectroscopic evidence.
authors: Departamento de Química, Universidad Técnica Federico Santa María, Casilla 110-V, Valparaíso, Chile. juan.garbarino @
authors: Juan A
authors: JA
authors: Garbarino
authors: Marisa
authors: M
authors: Piovano
authors: M Cristina
authors: MC
authors: Chamy
authors: Luis
authors: L
authors: Espinoza
mesh_terms: D004224:Diterpenes / Q000737:chemistry* / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D010936:Plant Extracts / Q000737:chemistry / Q000302:isolation & purification; D028083:Scrophulariaceae / Q000737:chemistry*
chemical_list: D004224:Diterpenes; D010936:Plant Extracts