1. 
   Oxybutynin
   Oxybutynin (Ditropan, Lyrinel XL) is an anticholinergic medication used to relieve urinary and bladder difficulties, including frequent urination and inability to control urination (urge incontinence), by decreasing muscle spasms of the bladder. It competitively antagonizes the M1, M2, and M3 subty...
   Found op http://en.wikipedia.org/wiki/Oxybutynin
   
   
2. 
   oxybutynin
   (ok″se-bu´tĭ-nin) an anticholinergic and antimuscarinic having direct antispasmodic effects on smooth muscle; used orally as the chloride salt in treatment of uninhibited neurogenic bladder and reflex neurogenic bladder.
   Found op http://www.encyclo.co.uk/local/21001
   
   

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