| abstract |
An agent for modulating the function of an RFRP receptor, characterized by containing either a compound represented by the formula (I)n n[wherein ring A represents an optionally substituted aromatic ring; ring B represents an optionally substituted benzene ring; X represents oxygen, S(O) n (n is an integer of 0 to 2), or NR 3 (R 3 represents hydrogen, an optionally substituted hydrocarbon group, or an optionally substituted heterocyclic group); and R 1 and R 2 each represents hydrogen, an optionally substituted hydrocarbon group, or an optionally substituted heterocyclic group] or a salt of the compound. |