Neidhart, W., Breu, V., Bur, D., Burri, K., Clozel, M., Hirth, G., … Ramuz, H. (1996). The Discovery of Nonpeptide Endothelin Receptor Antagonists. Progression towards Bosentan. CHIMIA, 50(11), 519. https://doi.org/10.2533/chimia.1996.519