Planta Medica, Table of Contents Planta Med 1989; 55(1): 81-82DOI: 10.1055/s-2006-961834 Papers © Georg Thieme Verlag Stuttgart · New York Pinifolin, ein neues Iridoidglucosid ungewöhnlichen Typs aus Penstemon pinifolius Pinifolin, a New Iridoid Glucoside of Unusual Type from Penstemon pinifolius Peter Junior Institut für Pharmazeutische Biologie der Universität Düsseldorf, Universitätsstraße 1, D-4000 Düsseldorf, Federal Republic of Germany. Recommend Article Abstract PDF Download Buy Article Abstract From the aerial parts of Penstemon pinifolius Greene, a new iridoid glucoside of unusual type has been isolated and structurally elucidated by spectroscopic means. This new compound, called pinifolin, contains a Δ4-instead of a Δ3-double bond and a methyl ether function at carbon 3 of the iridoidic skeleton. PDF (172 kb)