The present invention provides a prophylactic or therapeutic agent for an autism spectrum disorder containing compound (I) having melatonin receptor affinity. A compound represented by the formula:
wherein each symbol is as described in the specification, or a salt thereof.
本发明提供了一种自闭症谱系障碍的预防或治疗药物,其中含有具有
褪黑激素受体亲和力的化合物(I)。由式表示的化合物:
其中各符号如说明书所述,或其盐类。