J. Chem. Soc. Perkin Trans. 1 1997 2997 Design synthesis and pharmacological evaluation of active pyrrole based nonpeptidic analogues of neurotensin (8-13) Feng Hong, a Javid Zaidi, â€, a Yuan-Ping Pang,*, a Bernadette Cusack b and Elliott Richelson ba Neurochemistry and b Neuropsychopharmacology Research Mayo Founda