Isolation of Triterpenoid and Phenylpropanoid from Codonopsis ussuriensis

From the roots of Codonopsis ussuriensis (Rupr. et Maxim) Hemsley (Campanulaceae), taraxerol (mp 280-$282^\circ$), syringin (mp.$192^\circ$) and a new phenylpropanoid, ussurienoside I (syringin-3'-hydroxy-3'-methyl glutarate, mp. 102-$104^\circ$) were isolated.