Chemical of Vitex trifolia(4)
Compound 4 Amorphous powder. EI-MS m/z 487 [M-H]-; 1H-NMR(CD3OD,400 MHz)δ: 5.11(1H,br s,H-12),3.93(2H,br s,H-24),3.68(1H,m,H-2),2.98(1H,d,J=9.6 Hz,H-3),2.65(1H,d,J=10.2 Hz,H-18),1.09(3H,s,H-27),0.98(3H,s,H-25),0.77(3H,s,H-26),0.74(3H,s,H-29),0.63(3H,s,H-30),0.60(3H,s,H-23); 13C-NMR(CD3OD,100 MHz)δ: 40.1(C-1),68.4(C-2),84.8(C-3),42.8(C-4),49.0(C-5) ......
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