PROBLEM TO BE SOLVED: To provide a novel α-position halogen substituted thiophene compound that has strong LPA receptor antagonism and is useful as a medicine, or its pharmacologically acceptable salt.SOLUTION: The present invention provides a compound represented by formula (I), or its salt (A is phenyl, thiophene or isothiazole; each Rrepresents halogen or C-Calkyl; Ris H or C-alkyl; p is an integer of 0-5; V is CRor N; Ris H, amino, nitro, or C-alkoxy; X is halogen).SELECTED DRAWING: None【課題】強力なLPA受容体拮抗作用を有し、医薬として有用な新規なα位ハロゲン置換チオフェン化合物、又は、その薬理上許容される塩の提供。【解決手段】式(I)で表される化合物、又は、その塩。(Aはフェニル、チオフェン又はイソチアゾール;R1は各々独立にハロゲン又はC1-C3のアルキル;R2はH又はC1-6のアルキル;pは0~5の整数;VはCR3又はN;R3はH、アミノ、ニトロ、C1-3のアルコキシ;Xはハロゲン)【選択図】なし