Four compounds were isolated from the aerial part of Caragana rosea Turcz. for the first time. Their structures have been established on the basis of spectroscopic data: one is a novel stilbenolignan, named as cararosin A (1) 5 the other three were identified as known stilbenoids: piceatannol (2) , ( + )a:-viniferin (3) and kobophenol A (4) . Compounds 1 ~ 4 did not show any promising activity of anti-HTV in vitro .

Key words: caragana rosea, LIGNAN, IR, UV, MS, 2DNMR, BIOLOGICAL ACTIVITY