Synonyms: 4-Piperidinecarboxylicacid, 1-(3-cyano-3,3-diphenylpropyl)-4-phenyl-, ethyl ester, monohydrochloride(9CI); Isonipecotic acid, 1-(3-cyano-3,3-diphenylpropyl)-4-phenyl-, ethylester, hydrochloride (6CI,7CI); Isonipecotic acid,1-(3-cyano-3,3-diphenylpropyl)-4-phenyl-, ethyl ester, monohydrochloride (8CI);1-(3-Cyano-3,3-diphenylpropyl)-4-phenylpiperidine-4-carboxylic acid ethyl esterhydrochloride; 2,2-Diphenyl-4-(4-carbethoxy-4-phenyl-1-piperidino)butyronitrilehydrochloride; 2,2-Diphenyl-4-(4-carboxy-4-phenyl-1-piperidino)butyronitrileethyl ester hydrochloride; Diphenoxylate hydrochloride; R 1132; R 1132(antiperistaltic)