Phytochemical study on the extract of Vietnamese medicinal plant Lour. has led to the isolation and structural elucidation of twelve secondary metabolites, 3-O--caffeoylbetulinic acid (), 3-benzoylbetulinic acid (), betulinic acid methyl ester (), betulinic acid (), lupeol (), 4-hydroxybenzoic acid (), 3,4-dihydroxybenzoic acid methyl ester (), 4-hydroxy-3,5-dimethoxybenzoic acid (), 5,8-dihydroxy-7,4'-dimethoxyflavone (), isoscutellarein 4'-methyl ether 8--glucopyranoside (), methyl caffeate () and stigmasterol (). Especially, compound was reported as a new natural product.
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