Chemical constituents of flowers of saussurea sacra

From the flowers of Saussurea sacra three phenolic compounds p-hydroxy acetophenone, 3-methoxy kaempferol and acacetin-7-O-neo-hesperidoside have been isolated. Their structures were elucidated by chemical and physical data [IR, [1]H-NMR, [13]CNMR and mass spectra]