Invention provides a compound of formula, (I): [Wherein, R 1 represents a lower alkyl group, R 2 represents a phenyl group, R represents a halogen atom, X represents an oxygen atom or the like, Y 4 and 2, Y 3 Y 1, Y column indicates the CH like, l is an integer of 0 to 3, and represents an integer of 2 or Zorezore 1, p is an integer of 0 to 2, the q, n and m are from 1 to 3 on a pharmaceutically acceptable salt thereof or a compound represented by the] an integer of. None [Selection Figure]本発明は、式(I):[式中、R1は低級アルキル基等を示し、R2はフェニル基等を示し、Rはハロゲン原子等を示し、Xは酸素原子等を示し、Y1、Y2、Y3及びY4は、CH等を示し、lは0乃至3の整数を示し、m及びnは、ぞれぞれ1又は2の整数を示し、pは0乃至2の整数を示し、qは、1乃至3の整数を示す]で表される化合物又はその薬学的に許容される塩に関する。【選択図】なし
