| 摘要 |
This invention concerns a compound of formula a N-oxide, a pharmaceutically acceptable addition salt, a quaternary amine and a stereochemically isomeric form thereof, wherein R<1 >is hydrogen, hydroxy, cyano, amino, mono-or di(C1-4alkyl)amino, formyl, carboxyl, C1-6alkyl, hydroxyC1-6alkyl, polyhaloC1-6alkyl, C2-6alkenyl, C2-6alkynyl, C3-7cycloalkyl, C1-6alkyloxy, C1-6alkylcarbonyl, aminocarbonyl, S(=O)m-NH2, mono-or di(C1-4alkyl)aminocarbonyl, C1-6alkyloxycarbonyl, C1-6alkylcarbonyloxy, aryl, arylC1-6alkyl or aryloxy; R<2 >is hydrogen; halo; mercapto; formyl; cyano; carboxy; azido; hydroxy; oxiranyl; amino; mono- or di(C1-4alkyl)amino; formylamino; R<5>R<6>N-C(=O)-; R<7>-N=C(R<8>)-; C1-6alkyl-S(=O)m; aryl-S(=O)m; optionally substituted C2-6alkenyl; optionally substituted C2-6alkynyl; C1-6alkyloxy; hydroxyC1-6alkyloxy; aminoC1-6alkyloxy; mono- or di(C1-4alkyl)amino-C1-6alkyloxy; C1-6alkylcarbonyl; arylcarbonyl; Het<1>carbonyl; C1-6alkyloxycarbonyl; C1-6alkylcarbonyloxy; aryl; aryloxy; arylC1-6alkyloxy; arylthio; arylC1-6alkylthio; mono- or di(aryl)amino; Het<1>; Het<1>oxy; Het<1>thio; Het<1>C1-6alkyloxy; Het<1>C1-6alkylthio; mono- or di(Het<1>)amino; C3-7cycloalkyl; C3-7cycloalkyloxy; C3-7cycloalkylthio; C1-6alkylthio; hydroxyC1-6alkylthio; aminoC1-6alkylthio; mono- or di(C1-4alkyl)aminoC1-6alkylthio; optionally substituted C1-6alkyl; R<3 >or R<4 >each independently represent optionally be substituted
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