Synonyms: (+)-1-Phenyl-1,2,3,4-tetrahydroisoquinoline, (-)-(S)-1-Phenyl-1,2,3,4-tetrahydroisoquinoline, (1S)-1,2,3,4-Tetrahydro-1-phenylisoquinoline, (1S)-1-Phenyl-1,2,3,4-tetrahydroisoquinoline, (S)-(+)-1-Phenyl-1,2,3,4-tetrahydroisoquinoline, (S)-1-Phenyl-1,2,3,4-tetrahydroisoquinoline, Solifenacin Succinate Imp. A (EP),Isoquinoline, 1,2,3,4-tetrahydro-1-phenyl-, (S)-, (1S)-1-Phenyl-1,2,3,4-tetrahydroisoquinoline