Keywords:GW542573X,supplier,GW542573X,potassium,channels,activators,KCa2,KCa2.1,KCa2.2,KCa2.3,SK,channels,activators,SK1,activates,calcium-activated,potassium,channels,Ca2+-Activated,Potassium,Channels,Ca2+-Activated,Potassium,Channels,TocrisBioscience