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Abstract

The present invention provides tricyclic compounds which are useful for the treatment of pollakiuria and urinary incontinence and which are represented by general formula (I): ##STR1## (wherein R.sup.1 represents hydrogen, substituted or unsubstituted lower alkyl, etc.; X.sup.1 --X.sup.2 --X.sup.3 represents CR.sup.5.dbd.CR.sup.6 --CR.sup.7.dbd.CR.sup.8 (wherein R.sup.5, R.sup.6, R.sup.7 and R.sup.8, which may be the same or different, each represents hydrogen, substituted or unsubstituted lower alkyl, hydroxy, substituted or unsubstituted lower alkoxy, etc.), N(O)m.dbd.CR.sup.5 --CR.sup.6.dbd.CR.sup.7 (wherein R.sup.5, R.sup.6 and R.sup.7 have the same significances as defined above, and m represents 0 or 1), S--CR.sup.7.dbd.CR.sup.8 (wherein R.sup.7 and R.sup.8 have the same significances as defined above), etc.; and when R.sup.2 represents hydrogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted lower alkoxy, a substituted or unsubstituted N-substituted heterocyclic group, ##STR2## (wherein n is 0 or 1; R.sup.3 and R.sup.4, which may be the same or different, each represents hydrogen, substituted or unsubstituted lower alkyl, trifluoromethyl, etc., or R.sup.3 and R.sup.4 may be combined together to form cyclic alkyl; and Q represents hydroxy, halogen, etc.), etc., Y represents --CH.sub.2 SO.sub.2 --, --SCH.sub.2 --, --SOCH.sub.2 --, --SO.sub.2 CH.sub.2 --, etc.) and pharmaceutically acceptable salts thereof.

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First Claim