Xylocarpanoids A and B, unique C-28 skeleton limonoids from Xylocarpus granatum - Huo, C H; Guo, D; Shen, L R; Yin, B W; Sauriol, F; Li, L G; Zhang, M L; Shi, Q W; Kiyota, H (Tetrahedron Lett, 2010)