药食两用植物刺梨的化学成分研究(3)
化合物3白色粉末(甲醇); EI-MS m/z 489[M+H]+;1H-NMR(CD3OD,400 MHz) δ: 5.29(1H,br s,H-12),3.92(1H,br d,J=12.0 Hz,H-3),3.31(1H,overlap,H-2),2.49(1H,s,H-18),1.35(3H,s,CH3-27),1.28(3H,s,CH3-29),1.19(3H,s,CH3-25),0.98(3H,s,CH3-23),0.92(3H,d,J=6.8 Hz,CH3-30),0.86(3H,s,CH3-26),0.78(3H,s,CH3-24); 13C-NMR(CD3OD ......
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