^Dutta AK, Ryan W, Thomas BF, Singer M, Compton DR, Martin BR, Razdan RK. Synthesis, pharmacology, and molecular modeling of novel 4-alkyloxy indole derivatives related to cannabimimetic aminoalkyl indoles (AAIs). Bioorganic & Medicinal Chemistry. August 1997, 5 (8): 1591–600. PMID 9313864. doi:10.1016/S0968-0896(97)00111-9.
^Huffman JW, Mabon R, Wu MJ, Lu J, Hart R, Hurst DP, Reggio PH, Wiley JL, Martin BR. 3-Indolyl-1-naphthylmethanes: new cannabimimetic indoles provide evidence for aromatic stacking interactions with the CB(1) cannabinoid receptor. Bioorganic & Medicinal Chemistry. February 2003, 11 (4): 539–49. PMID 12538019. S2CID 29107765. doi:10.1016/S0968-0896(02)00451-0.