Birk, Rolf, Martin Karpf, Kurt Püntener, Michelangelo Scalone, Mark Schwindt, and Ulrich Zutter. 2006. “With Asymmetric Hydrogenation Towards a New, Enantioselective Synthesis of Orlistat”. CHIMIA 60 (9): 561. https://doi.org/10.2533/chimia.2006.561.