This disclosure relates to nucleotide and nucleoside therapeutic compositions and uses in treating viral infections, where the base of the nucleotide or nucleoside contains at least one thiol, thione or thioether. The nucleotide or nucleoside is defined by Formula Ia below:
本公开涉及治疗病毒感染的核苷酸和核苷治疗组合物和用途,其中核苷酸或核苷的碱基含有至少一种
硫醇、
硫酮或
硫醚。核苷酸或核苷的定义如下式 Ia: