N1,O2'-Dimethyladenosine Monohydriodide-d3, is the labeled a analogue of N1,O2'-Dimethyladenosine Monohydriodide (D447411), is an intermediate useful in the synthesis of N6,O2'-Dimethyladenosine (D447415), which is naturally occurring modified nucleoside in RNA. It was reported in the preparation of alkylated adenosines as antihypertensive agents.