主权项 |
1. A compound according to formula (I): or a pharmaceutically acceptable salt thereof; wherein n is 1, 2, or 3, for each NR1R2, R1 and R2 are independently H, alkyl, alkoxy, aryl, heteroaryl; Ar is aryl or heteroaryl, which can be further substituted with halogen, amino, alkylamino, dialkylamino, arylalkylamino, N-oxides of dialkylamino, trialkylammoniurn, mercapto, alkylthio, alkanoyl, nitro, nitrosyl, cyano, alkoxy, alkenyloxy, aryl, heteroaryl, sulfonyl, sulfonamide, CONR3R4, NR3CO(R4), NR3COO(R4), NR3CONR4R5 where R3, R4, R5, are independently, H, alkyl, aryl, heteroaryl or a fluorine; X represents halogen; m is 1, 2, 3, 4, or 5; o is 1, 2, 3 or 4; and each Y is independently a halogen, alkoxy, alkylthio, a substituted or unsubstituted heterocycle. |