Patent ID: 8519163

Claim:
An isolated triterpenoid having the following characteristic NMR: 1 H-NMR (DMSO, 400 Hz) δ: 0.95 (3H, t, 4″-CH 3 ), δ: 1.15 (3H, d, H-24), δ: 1.235 (3H, d, 5′-CH 3 ), δ: 1.5 (2H, ddd, 5′-CH 2 ), δ: 1.73 (3H, ddd, H-21), δ: 1.83 (1H, s, H9), δ: 1.87 (1H, s, H-14), δ: 1.9 (2H, s, H-18), δ 2.16 (3H, s, H-18), δ: 2.3 (3H, d, H-19) δ: 2.71 (2H, s, H-20), δ: 3.45 (2H, dd, H-23), δ: 3.65 (2H, d, H-22), δ: 3.95 (1H, t, H-12), δ: 4.05 (2H, s, H-22), δ: 5.30 (1H, s, H-15), δ: 5.46 (1H, s, OH-2), δ: 5.73 (1H, d, OH-2′), δ: 6.89 (1H, s, H-3) δ: 8.82 (1H, s, OH-11); having a melting point of 248-250° C. and having the structure: