Entecavir(ETV), a cyclopentyl guanosine analogue, acquired the admission of FDA on sale as an new potent anti-HBV drug recently.

• 恩替卡韦(entecavir,ETV)是环戊基鸟苷类似物,作为一个新的抗HBV有效的药物,最近获得美国FDA上市的批准。