A compound represented by the general formula (I) [R1 represents a C1-6 alkyl group, a halogen atom, or the like; A represents a phenylene group, or the like; X represents -CH(R3)-, -O-, -NH-, or the like; Y represents -O-, -NH-, -N=, or -S-;represents a single bond or double bond; n represents 1 to 3; R2 represents a C1-6 alkyl group, a C1-6 alkoxy group, or the like; and R3 represents hydrogen atom, a C1-6 alkyl group, or the like], or a salt thereof, which has a blood LDL cholesterol-reducing action, and is useful as an active ingredient of medicaments.