Analgesic action in a series of N-substituted ethyl 4-phenylpiperidine-4-carboxylates.
D000700:Analgesics; D002264:Carboxylic Acids; D008614:Meperidine / Q000031:analogs & derivatives; D010880:Piperidines
D000700:Analgesics; D002264:Carboxylic Acids; D010880:Piperidines; C048151:4-phenylpiperidine; D008614:Meperidine
MEPERIDINE/derivatives