(2R,3S,5R)-5-(5-Methyl-2-oxo-4-(1H-1,2,4-triazol-1-yl)pyrimidin-1(2H)-yl)-2-(((4-methylbenzoyl)oxy)methyl)tetrahydrofuran-3-yl 4-methylbenzoate-13CH27,15N2 is an intermediate in synthesizing 5-Methyl-2’-deoxy Cytidine-13C,15N2 (M295904). It is an isotopic analog of 5-Methyl-2’-deoxy Cytidine (M295900), a Cytidine (C998300) analog and also an isostere of Thymidine (T412000).