Eveleigh P, Hulme EC, Schudt C, Birdsall NJ (April 1989). "The existence of stable enantiomers of telenzepine and their stereoselective interaction with muscarinic receptor subtypes". Molecular Pharmacology. 35 (4): 477–83. doi:10.1016/S0026-895X(25)11262-5. PMID2704371.
Eveleigh P, Hulme EC, Schudt C, Birdsall NJ (April 1989). "The existence of stable enantiomers of telenzepine and their stereoselective interaction with muscarinic receptor subtypes". Molecular Pharmacology. 35 (4): 477–83. doi:10.1016/S0026-895X(25)11262-5. PMID2704371.