abstract |
(57) Summary [Objective] An object of the present invention is to provide a novel 3,4-dihydrocarbostyril derivative. The 3,4-dihydrocarbostyryl derivative of the present invention has the general formula: [Wherein R 1 is a chlorine atom, R 2 is a hydroxyl group, a benzyloxy group or a group: (In the group, R 3 represents a hydrogen atom or a lower alkyl group). ] Is represented. |