A compound represented by the following general formula (I) or a salt thereof, or a hydrate thereof or a solvate thereof having an inhibitory action against plasminogen activator inhibitor-1 (PAI-1): wherein R1 represents a C6-10 aryl group; or a substituted C6-10 aryl group, R2 represents a C6-10 aryl group; or a C6-10 aryl group substituted with a group or groups selected from the group consisting of a halogen atom, nitro group, a C1-6 alkyl group, a halogenated C1-6 alkyl group, a C1-6 alkoxy group, a halogenated C1-6 alkoxy group, a phenyl group and carboxy group, X represents —CH2—, —CH2CH2—, —CH═CH— or —N(R3)—C(═O)—, Y represents carboxy group or a bioisostere of carboxy group, R3 represents hydrogen atom, a C1-4 alkyl group or a C7-12 aralkyl group, m represents 0 or 1.