Is it possible to remove cat urine from a leather couch

I have a leather couch with a queen pull-out bed. The cat peed in between the back of the couch and we have thrown out - including the mattress. I can replace the 'foam' for the actual seats, but I still have to deal with the smell of their cover. Please help - I don't want to have to get rid of the couch!!! Thank you ...

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