Solifenacin EP Impurity I

Chemical Name: (1S)-3,4-dihydro-1-phenyl-2(1H)-isoquinolinecarboxylic Acid (3R)-1-Oxido-1 -azabicyclo[2.2.2]oct-3-yl Ester ; (3R)-3-[[(IS)-1- phenyl-3,4- dihydroisoquinoline- 2(1H)-carbonyl] oxy]-l-azabicyclo [2.2.2]octane 1- oxide (solifenacin N- oxide)

Synonym: Solifenacin N-Oxide

Smile: O=C(N1[C@@H](C2=CC=CC=C2)C3=C(C=CC=C3)CC1)O[C@H]4C[N+]5([O-])CCC4CC5