Solifenacin EP Impurity B

Chemical Name: (S)-Isopropyl 1-Phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate ; (1S)-3,4-Dihydro-1-phenyl-2(1H)-isoquinolinecarboxylic Acid 1-Methylethyl Ester

Smile: CC(C)OC(N1CCC2=C(C=CC=C2)[C@@H]1C3=CC=CC=C3)=O