Hemsleyadin D
Hemsleyadin D is a triterpenoid compound derived from Hemsleya penxianensis with antitumor activity. Its IC50 values against K562, MGC-803, U118, HepG2, A549, and MCF-7 cells are 93.9, 47.1, 25.9, 56.1, 66.3, and 67.6 μM, respectively[1].