PROBLEM TO BE SOLVED: To provide a medicine which contains, as an effective ingredient, a novel silicon-containing carboxylic acid derivative.SOLUTION: A medicine includes, as an effective ingredient, a compound represented by formula (I) [wherein R1-R3 represent an alkyl group or an aryl group n represents 0 or 1 R4 represents an amino group or -(CX2)m-COOH (m represents 0-3 and X represents a hydrogen atom) R5 represents -(CY2)p-COOR6 (p represents 0-3, Y represents a hydrogen atom, and R6 represents a hydrogen atom or an alkyl group)], or a salt thereof, the medicine being used for preventing and/or treating pains and the like.COPYRIGHT: (C)2013,JPO&INPIT【課題】新規なケイ素含有カルボン酸誘導体を有効成分として含む医薬を提供する。【解決手段】式(I)[R1~R3はアルキル基又はアリール基;nは0又は1;R4はアミノ基又は-(CX2)m-COOH(mは0~3、Xは水素原子);R5は-(CY2)p-COOR6(pは0~3、Yは水素原子、R6は水素原子又はアルキル基)]で表される化合物又はその塩を有効成分として含む疼痛などの予防及び/又は治療のための医薬。【選択図】なし
