Abstract:A new secoiridoidal glycoside, jasmisnyioside ( 1 ) was isolated from the fresh leaves of Jasminum mesnyi Hance cultivated in Kunming, Yunnan with jasminin ( 2 ) and jasmoside ( 3 ) . The structure of ( 1 ) was elucidated by means of 13C NMR, 1H NMR and MS.