广藿香的抗补体活性成分(6)
化合物16 白色粉末状固体,mp 300~302 ℃,[α]25D(c 1.0,CHCl3),ESI-MS m/z 457[M+H]+,1H-NMR(Pyridine-d5,400 MHz)δ:0.59,0.61,0.72,0.73,0.75,0.79,0.96(各3H,s,-CH3×7),3.25(1H,dd,J=12.0,4.0 Hz,H-18),3.43(1H,dd,J=10.4,4.0 Hz,H-3),5.49(1H,t,J=3.2 Hz,H-12); 13C-NMR(Pyridine-d5,100 MHz)δ: 14.9(C-24),15.2(C-25) ......
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