A compound of the formula:
represents a cyclic amino group, A represents a methylene group or a carbonyl group, m represents an integer of 1 to 3, n represents an integer of 0 to 4 and p represents an integer of 1 to 2, or a salt thereof, which has glutamate receptor inhibiting activity is provided.
式中的化合物:
代表环状
氨基,A 代表亚甲基或羰基,m 代表 1 至 3 的整数,n 代表 0 至 4 的整数,p 代表 1 至 2 的整数,或其盐,具有谷
氨酸受体抑制活性。