Bibliografisk träff 1983-01-01 Synthesis and pharmacological studies of 4,4-disubstituted piperidines: a new class of compounds with potent analgesic properties. Huegi BS, Ebnöther AM, Rissi E, Gadient F, Hauser D, Roemer D, Hill RC, Buescher HH, Petcher TJ. J Med Chem · journal article · DOI 10.1021/jm00355a010