| 摘要 |
A COMPOUND SELECTED FROM THOSE OF FORMULA (I): WHEREIN: X REPRESENTS A C(O) OR S02 GROUP, R1 REPRESENTS AN ARYL GROUP OR A GROUP NR3R4 WHEREIN R3 AND R4 ARE AS DEFINED, R2 REPRESENTS AN ALKYL, (C3-C8)CYCLOALKYL OR (C3-C8)CYCLOALKYL-(C1-C6)ALKYL GROUP, ITS ISOMERS, AND ADDITION SALTS THEREOF, AND MEDICINAL PRODUCTS CONTAINING THE SAME WHICH ARE USEFUL IN TREATING CONDITIONS TREATABLE BY ANTAGONISTS OF TYPE H3 CENTRAL HISTAMINE RECEPTORS.
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