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Phytochemical investigation on Vitex negundo leaves and their anti-inflammatory and analgesic activities

Abstract The phytochemical investigation on Vitex negundo leaves has led to the isolation of one new iridoid glucoside (8α-hydroxy-4-carboxyl-5βH-9βH-iridoid-1α-O-(6′-O-(6,7-dihydrofoliamenthonyl)-β-ᴅ-glucopyranoside, 3), together with three known compounds, namely agnuside (1), 6′-O-E-caffeoy...