OXB02B: Oxybutynin EP Impurity B

Oxybutynin Diphenyl Analog ;

4-(Diethylamino)but-2-ynyl 2-hydroxy-2,2-diphenylacetate ;

CAS # 14943-53-4 (Base) ; 95133-28-1 (HCl) ; 

C22H25NO3 ;
Mol. Wt.: 351.44 ;