1-arylalkyl-4-acylaminopiperidine compounds Grant US-10617681-B2 United States of America 14 Apr 2020
Substituted 1-arylethyl-4-acylaminopiperidine derivatives as opioid/alpha-adrenoreceptor… Grant US-9765027-B2 United States of America 19 Sep 2017
Large substituent, non-phenolic opioids and methods of use thereof Grant US-9156821-B2 United States of America 13 Oct 2015
Large substituent, non-phenolic opioids and methods of use thereof Grant US-8901148-B2 United States of America 02 Dec 2014