TY - GEN AU - Cáceres-Castillo,David AU - Mena-Rejón,Gonzalo J AU - Cedillo-Rivera,Roberto AU - Quijano,Leovigildo TI - 21beta-Hydroxy-oleanane-type triterpenes from Hippocratea excelsa SN - 0031-9422 PY - 2008///0728 KW - Hippocrateaceae KW - chemistry KW - Magnetic Resonance Spectroscopy KW - Molecular Structure KW - Oleanolic Acid KW - analogs & derivatives KW - Pentacyclic Triterpenes KW - Plant Bark KW - Triterpenes KW - Ursolic Acid N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1016/j.phytochem.2007.10.016 ER -