| abstract |
The present invention provides a lipid-rich plaque regressing agent comprising a compound represented by Formula: n n nin which ring A is a cyclic hydrocarbon or the like; ring B is a heterocyclic ring or the like; each of X and Y is —NR 1 — (in which R 1 is a hydrocarbon or the like); D is a C 1-3 alkylene group or the like; E is —NH— or the like; G is a bond or the like; and Ar is an aryl or the like; D may be taken together with a constituent atom of the ring B to form a ring, and R 4 may be taken together with a constituent atom of the ring B to form a ring. |