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. Author manuscript; available in PMC: 2019 Aug 16.
Published in final edited form as: Angew Chem Int Ed Engl. 2019 Jan 30;58(31):10460–10476. doi: 10.1002/anie.201814471

Figure 10.

Figure 10

Boehringer Ingelheim’s synthesis of a potent therapeutic agent (8) against Type 2 diabetes by the chemoselective hydrogenation of pyridinium salt 46.