| CPC A61K 31/11 (2013.01) [A61K 31/20 (2013.01); A61K 31/336 (2013.01); A61K 31/4015 (2013.01); A61K 47/643 (2017.08); A61P 25/04 (2018.01)] | 10 Claims |
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1. A method of treating pain in a subject in need thereof, the method comprising administering to the subject an effective amount of a compound of formula:
![]() or a pharmaceutically acceptable salt thereof.
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