Notizen: Flavonoids and Related Compounds in Leaves of Pinaceae, III Pinus jeffreyi

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Abstract
Nine flavonoids were isolated from leaves of Pinus jef­freyi and identified as kaempferol, the 3-glucosides of kaempferol, quercetin, isorhamnetin, laricitrin and syringetin, a 3-glucoside of an A-ring methylated kaempferol derivative, kaempferol-3-(p-coumarylglucoside) and kaempferol-3-(ferulylglucoside). Myricetin-3-rhamnoside was found dur­ing an earlier investigation.