Conformational studies on the four stereoisomers of the novel anticholinergic 4-(dimethylamino)-2-phenyl-2-(2-pyridyl)pentanamide. - Hitoshi Oyasu; Isao Nakanishi; Akito Tanaka; Kenji Murano; Masaaki Matsuo (J. Comput. Aided Mol. Des., 1995)