Riley, T N 4-Anilidopiperidine analgesics. I. Synthesis and analgesic activity of certain ring-methylated 1-substituted 4-propananilidopiperidines. [electronic resource] - Journal of pharmaceutical sciences Jun 1973 - 983-6 p. digital Publication Type: Journal Article ISSN: 0022-3549 Standard No.: 10.1002/jps.2600620627 doi Subjects--Topical Terms: Analgesics--chemical synthesisAnilides--chemical synthesisAnimalsMethodsMethylationOxidation-ReductionPiperidines--chemical synthesisRatsStructure-Activity Relationship