Diamino-pyridine, pyrimidine and pyridazine compounds which may be used as H
4
receptor modulators, and in pharmaceutical compositions and methods for the treatment of disease states, disorders, and conditions mediated by H
4
receptor activity, such as allergy, asthma, autoimmune diseases, and pruritis.
Diamino-pyridine、
嘧啶和
吡啶嗪化合物可用作H4受体调节剂,并用于制备药物组合物和治疗由H4受体活性介导的疾病状态、障碍和病况,例如过敏、哮喘、自身免疫疾病和瘙痒症的方法。