| 摘要 |
The invention is dealing with compounds of the general formula: <IMAGE> as well as the pharmaceutically acceptable salts thereof, in which X represents oxygen, sulphur, the group >NR7 or the group -CR8R9-, R1, R2, R3 and R4 represent hydrogen, hydroxy, halogen, an alkyl, alkoxy or alkylthio group or a trifluoromethyl group, R5 and R6 represent hydrogen, an alkyl group or an aralkyl group, R7 represents hydrogen or alkyl (1-4 C), R8, R9 represent hydrogen or methyl, and Q represents hydrogen (2H) or oxygen, HAVING VALUABLE ANTIHISTAMINE, SEDATIVE AND ANTIDEPRESSIVE PROPERTIES.
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