A new cembrane diterpenoid was isolated from the Tahitian liverwort Jungermannia species, together with several known sesquiterpenoids, and labdane and verticillane diterpenoids. Two new labdane diterpenoids, and known labdane and clerodane diterpenoids were isolated from the Japanese Jungermannia infusca collected in the three different locations. Their structures were determined by use of NMR techniques.
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