The present invention provides a compound represented by the formula (I):
wherein R1, R2, R3, Z1, Z2, Ra, Rb, q, A and n are as defined in the description, a pharmaceutically acceptable salt or solvate thereof. The compound is useful as P2X3and/or P2X2/3 receptor antagonist.
本发明提供了一种由式(I)代表的化合物:其中 R1、R2、R3、Z1、Z2、Ra、Rb、q、A 和 n 如描述中所定义,是其药学上可接受的盐或溶液。 该化合物可用作 P2X3 和/或 P2X2/3 受体
拮抗剂。