Three new diterpenoids,named esquirolin B(1),C(2),D(3)respectively,and two known cemocunds eariocal(4)and taraxerol were isolated from Coleus esquirolii(Levl).The structure elucidation was achieved by spectroscopic means
文摘Three new diterpenoids,named esquirolin B(1),C(2),D(3)respectively,and two known cemocunds eariocal(4)and taraxerol were isolated from Coleus esquirolii(Levl).The structure elucidation was achieved by spectroscopic means
