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. 2016 Aug 15;18(36):24905–24911. doi: 10.1039/c6cp02844f

Fig. 1. Schematic representation of: (a) the SABRE process and (b) the structures of the substrates 2,4-d 2-nicotinamide (1), 2,6-d 2-nicotinamide (2) and methyl-3-d-pyrazine-2-carboxylate (3) studied in this report with the protons labelled appropriately.

Fig. 1