OBJECTIVE
To study chemical constituents of aerial parts of Gueldenstaedtia stenophylla.
METHODS
Chemical constituents were extracted with 95% alcohol and separated by repeated silica gel column, MCI, Sephadex LH-20 and RP C18 column chromatographic separation from aerial parts of G. stenophylla.
OBJECTIVE
To study the chemical constituents of Gueldenstaedtia stenophylla.
METHODS
Various chromatographic techniques were used to separate and purify the constituents and structure determination was mainly based on the analysis of the spectroscopic data.
RESULTS
Seven compounds, including 2', 4,