Compounds of the general formula P
1
-L-P
2
; wherein “P
1
” is a pyrazinoylguanidine sodium channel blocker, “L” is a linking group, and “P
2
” is either (i) a pyrazinoylguanidine sodium channel blocker or (ii) a P
2
Y
2
receptor agonist, are disclosed. Pharmaceutical formulations containing the same and methods of use thereof to hydrate mucosal surfaces such as airway mucosal surfaces are also disclosed.
本发明公开了通式为P1-L-P2的化合物,其中“P1”为
吡嗪酰
胍钠通道阻滞剂,“L”为连接基团,“P2”为(i)
吡嗪酰
胍钠通道阻滞剂或(ii)P2Y2受体激动剂。还公开了包含这些化合物的制药组合物以及使用它们以使粘膜表面如呼吸道粘膜表面保持
水合的方法。