| 摘要 |
PCT No. PCT/JP96/00469 Sec. 371 Date Oct. 28, 1996 Sec. 102(e) Date Oct. 28, 1996 PCT Filed Feb. 28, 1996 PCT Pub. No. WO96/26924 PCT Pub. Date Jun. 9, 1996The compound of the formula (I) or its salt or a medicament containing the same <IMAGE> (I) <IMAGE> wherein, A and B represent a carbonyl group or sulfonyl group, m and p are different and represent 0 or 1, R1 and R2 may be the same or different from each other and represent a hydrogen atom, an unsubstituted or substituted alkyl group, an unsubstituted or substituted aryl group, an unsubstituted or substituted aralkyl group, an unsubstituted or substituted heterocyclic group containing nitrogen or an unsubstituted or substituted heterocyclic group containing oxygen, or R1 and R2, taken together with the nitrogen atom to which they are linked, may form an unsubstituted or substituted heterocyclic group, provided that when B is a sulfonyl group, R2 does not represent a hydrogen atom, n is an integer of 1 to 6, X represents a methylene group or an oxygen atom, E and Y may be the same or different from each other and represent a hydrogen atom, a halogen atom, an alkoxy group, or an alkyl group which may be substituted by a halogen atom the dotted line shows the presence or absence of a bond, when said dotted line shows the presence of a bond, Z represents a carbon atom, and when said dotted line shows the absence of a bond, Z represents CH or a nitrogen atom.
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