| 摘要 |
Compounds are prepared which correspond to the formula WHEREIN X represents chloro or bromo; R represents hydrogen; R1 represents a straight or branched chain alkyl of 3 to 6 carbon atoms or cyclohexyl or R and R1 taken together with the nitrogen atom represent morpholino, pyrrolidinyl, piperidino, 2-(loweralkyl)piperidino (wherein alkyl represents from 1 to 4 carbon atoms), hexamethylenimino or tetrahydro-1-pyridyl.
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