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The structures of three new eremophilanolides isolated from the roots of LigulariaVeitchiana were shown,by the spectral and chemical evidences,to be 1β,10β-epoxy-6β-hydrox-y-8β-methoxy-eremophil-7(11)-en-12,8α-olide(3),1β,10β-epoxy-6β-(2’ hydroxymethylacr