Objective: To study the chemical constituents from the aerial part of Aconitum brachypodum.

Methods: The constituents were isolated and purified by silica gel, activated alumina and Sephadex LH-20 column chromatography. their structures were elucidated on the basis of spectral data and physiochemical evidence.

Results: Eleven compounds were isolated from 80% ethanol extract and identified as secokaraconitine (1), brachyaconitines A (2), C (3), talatisamine (4), hypaconitine (5), songrine (6), bullatine A (7), 7-carbony sitosterone (8), lupeol (9), β-sitosterol (10) and daucosterol (11).

Conclusion: All compounds are isolated from the aerial part of Aconitum brachypodum for the first time.

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