Lysophosphatidic acid derivative

A compound represented by the following formula (I)

• wherein
• X is oxygen,
• Y is oxygen, —O—CH2—, or —CH2—O—,
• Q is —C(═O)—,
• R1 is a group represented by the following formula (A-2)
• wherein ring B is cycloalkane or benzene, R7 in the number of n are each independently
• halogen,
• cyano,
• optionally substituted alkyl,
• optionally substituted cycloalkyl,
• optionally substituted alkoxy, or
• an optionally substituted aromatic hydrocarbon group, and
• n is an integer of 0-5,
• L1 is R6—, —R6O—, —OR6—, —R6NH—, or —NHR6—,
• R6 is an optionally substituted alkylene,
• R2 is hydrogen or alkyl, and
• one of R3 and R4 is hydrogen or optionally substituted alkyl, and the other is bonded to R5 to form, together with a carbon atom bonded to R3 and R4, a carbon bonded to R2, and a nitrogen atom bonded to R5, an optionally substituted cyclic amine,
• or a pharmacologically acceptable salt thereof.