Study on the Compounds of Isodon amethystoides(Benth.)Hara

[Objective] The research aimed to study the constituents from Isodon amethystoides(Benth.) Hara.[Method] All compounds were isolated from the extract of dried leaves of Isodon amethystoides(Benth.)Hara.Their structures were determined based on IR,UV,NMR and MS spectral datas.[Result] Three compounds were obtained from Isodon amethystoides(Benth.) Hara.[Conclusion] This three compounds were identified as ursolic acid,β-sitosterol and oleanic acid.