The present invention provides a compound of a formula (A), (B) or (C):
which is useful for making a compound of formula (I):
wherein Z is CO2R3. The compounds of formula (I) are useful in the treatment of a chemokine (such as CCR3) or H1 mediated disease state.
本发明提供了一种式 (A)、(B) 或 (C) 的化合物:
可用于制造式(I)化合物:
其中 Z 为 CO2R3。式(I)化合物可用于治疗
趋化因子(如 CCR3)或 H1 介导的疾病状态。