(2S,3R)-2-Hydroxy-3-methyl-butanedioic Acid Dimethyl Ester 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).