^Steiner MA, Gatfield J, Brisbare-Roch C, Dietrich H, Treiber A, Jenck F, Boss C (June 2013). "Discovery and characterization of ACT-335827, an orally available, brain penetrant orexin receptor type 1 selective antagonist". ChemMedChem. 8 (6): 898–903. doi:10.1002/cmdc.201300003. PMID23589487. S2CID21644009.