| 摘要 |
The invention is concerned with the use of compounds of general formula (I), wherein R1 signifies hydrogen, lower-alkyl, halogen, lower-alkoxy or nitro; R2 signifies hydrogen, lower alkyl or trifluoromethyl; and R3 signifies hydrogen, lower alkyl, trifluoromethyl, benzyl, hydroxy-lower-alkyl, lower alkoxy, lower-alkyl-carbonyl-amino, carbonyl-lower-alkyl, benzyl, di-lower-alkyl-amino-carbonyl, carbonyl-amino or amino-carbonyl-amino; or R2 and R3 together optionally signify a fused benzene ring and R4 signifies hydrogen or halogen, as well as pharmaceutically acceptable salts of compounds of general formula (I), for the treatment or prevention of illnesses which are caused by disorders of the dopamine system and, respectively, for the production of corresponding medicaments.
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