A new apotirucallane-type triterpenoid from <i>Atalantia buxifolia</i> GuoZhi-Kai YangTao CaiCai-Hong DongWen-Hua GaiCui-Juan YuanJing-Zhe MeiWen-li DaiHao-fu 2015 <div><p>A new triterpenoid (<b>1</b>) with apotirucallane skeleton was isolated from the ethanol extract of the roots of <i>Atalantia buxifolia</i> (Poir.) Oliv. The complete structural assignment of the new compound was elucidated by a combination of 1D, 2D NMR (HMQC, HMBC, COSY, and NOESY), and HR-ESI-MS analysis. Moreover, this new compound was evaluated <i>in vitro</i> for its cytotoxic, antimicrobial and enzymes inhibitory activities.</p></div>