Stucky, Gerhard C., Jean-Paul Roduit, and Beat Schmidt. 1997. “Innovative Approaches to the Imidazo[4,5-b]pyridine Ring System. Development of an Efficient Process for Industrial-Scale Production of a Key Intermediate for Potent Angiotensin II Receptor Antagonists”. CHIMIA 51 (6):280. https://doi.org/10.2533/chimia.1997.280.