Compounds (1, 2, 3, 4) according to the formulae shown below: (Formula 1, 2, 3, 4). For General Formula1-4:N=1-Thyminyl,9-Adeninyl,9-Guaninyl,1-Cytosinyl, 5-methyl-1-cytosinyl, 5-trifluoromethyl-1-cytosinyl, 5-fluoro-1-cytosinyl, 5-fluoro-1-cytosinyl, 5-trifluoromethyl-1-Uracilyl or Formula (A) (12a/12b) wherein for 12a: n=1, Q=CH
3
(R) [5-membered carbocyclic with C7′ in R configuration], 12b: n=1, Q=CH
3
(S) [5-membered carbocyclic with C7′ in S configuration].
根据下面所示的公式,化合物(1、2、3、4):(公式1、2、3、4)。对于一般的公式1-4:N = 1-胸腺
嘧啶基,9-
腺嘌呤基,9-
鸟嘌呤基,1-
胞嘧啶基,5-甲基-1-
胞嘧啶基,5-三
氟甲基-1-
胞嘧啶基,5-
氟-1-
胞嘧啶基,5-
氟-1-
胞嘧啶基,5-三
氟甲基-1-尿
嘧啶基或公式(A)(12a / 12b),其中对于12a:n = 1,Q =
CH3(R)[C7'以R构型的5元环碳环],12b:n = 1,Q = (S)[C7'以S构型的5元环碳环]。