| 摘要 |
The instant invention is directed to a compound represented by the formula: <IMAGE> wherein: X is a chloro or bromo radical; Z is a chloro, bromo, amino, amino mono- and di-substituted by lower alkyl, 3-halo-pyrazinyl-2-thio, cyano, -C(S)-NR3R4, wherein R3 and R4 independently are methyl or ethyl, benzylidineamino, lower alkyl substituted benzylidineamino group; and n is 0 or 1, provided that when n is 1, Z is a benzylidineamino or lower alkyl substituted benzylidineamino group.
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