2- (3,4-hydroxyphenyl) chroman-3,5,7-triol has been isolated from the Rhopalocnemis phalloides junghun. Chemical structure of these compounds have been confirmed by NMR (1D and 2D) and compared with reference. | The first step to isolate and determine the structure of some organic compounds of the Tich Duong mushrooms (Rhopalocnemis phalloides Junghun) collected in Son La