(2R,4R)-4-[(3,5-bis-trifluoromethyl-phenyl)-(2-methyl-2H-tetrazol-5-yl)-methyl]-2-ethyl-6-trifluoromethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid ethyl ester 生成 (2R,4R,4aS)-4-[(3,5-bis-trifluoromethyl-phenyl)-(2-methyl-2H-tetrazol-5-yl)-methyl]-2-ethyl-6-trifluoromethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid ethyl ester 、 (2R,4R,4aR)-4-[(3,5-bis-trifluoromethyl-phenyl)-(2-methyl-2H-tetrazol-5-yl)-methyl]-2-ethyl-6-trifluoromethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid ethyl ester