^Kadi A, El-Kashef H, Abdel-Aziz A, Hassan G, Tettey J, Grant M, Lehmann J, El-Subbagh H (February 2008). "Synthesis, ultra-short acting hypnotic activity, and metabolic profile of ethyl 8-oxo-5,6,7,8-tetrahydro-thiazolo[3,2-a] [1,3]diazepin-3-carboxylate (HIE-124)". Archiv der Pharmazie. 341 (2): 81–89. doi:10.1002/ardp.200700132. PMID18214840. S2CID12263886.