3-Oxo-24,25,26,27-tetranortirucall-7-ene-23(21)-lactone
3-Oxo-24,25,26,27-tetranortirucall-7-ene-23(21)-lactone is a tetranortirucallane-type triterpenoid that can be isolated from Dysoxylum lenticellatum. 3-Oxo-24,25,26,27-tetranortirucall-7-ene-23(21)-lactone has vasodilative effect with diastolic degree of 43.5% at 10 μg/mL[1].