Evan E. Bolton; Yanli Wang; Paul A. Thiessen; Stephen H. Bryant (2008). „Chapter 12 PubChem: Integrated Platform of Small Molecules and Biological Activities”. Annual Reports in Computational Chemistry. 4: 217—241. doi:10.1016/S1574-1400(08)00012-1.
Jansen, FP; Mochizuki, T; Maeyama, K; Leurs, R; Timmerman, H (2000). „Characterization of histamine H3 receptors in mouse brain using the H3 antagonist 125Iiodophenpropit”. Naunyn-Schmiedeberg's archives of pharmacology. 362 (1): 60—7. PMID10935534. doi:10.1007/s002100000227.