PIPERIDINE DERIVATIVES

摘要

Piperidine derivatives represented by general formula (I) or pharmacologically acceptable salts thereof: wherein R<1> represents hydrogen, (un)substituted lower alkyl, etc.; R<2>, R<3>, R<4> and R<5> may be the same or different and each represents halogeno, amino, mono- or di(lower alkyl)amino, (un)substituted lower alkanoylamino, etc.; n represents 0, 1 or 2; X-Y represents either formula (a) or formula (b): and Q represents formula (i), (ii), (iii), (iv) or (v).