英文别名(1R)-3,4-Dihydro-1-phenyl-2(1H)-isoquinolinecarboxylic acid ethyl ester; Ethyl (R)-1-phenyl-1,2,3,4-tetrahydroisoquinoline-2-carboxylate; Solifenacin impurity 21; Solifenacin Related Compound 21; 2(1H)-Isoquinolinecarboxylic acid, 3,4-dihydro-1-phenyl-, ethyl ester, (1R)-; Ethyl (R)-1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate; (1R)-ethyl 1-phenyl-1,2,3,4-tetrahydroisoquinoline-2-carboxylate; (R)-1-Phenyl-3,4-dihydro-1H-isoquinoline-2-carboxylic acid ethyl ester 
