FIGURE 2.

Overview of synthetic approach used to prepare [4S‐2H]NADH (Step A), [4‐2H]NAD+ (Step B), [4‐2H2]NADH (Step C) and [4R‐2H]NADH (Step D)

Overview of synthetic approach used to prepare [4S‐2H]NADH (Step A), [4‐2H]NAD+ (Step B), [4‐2H2]NADH (Step C) and [4R‐2H]NADH (Step D)