Patent ID: 8551983

Claim:
A method for treating or preventing a pulmonary inflammatory disease comprising administering to an animal in need thereof an effective amount of a compound having the formula: wherein R 1 and R 2 are independently lower alkyl of 1 to 10 carbon atoms, Xa is CH or N, Ya is one or more substituent selected from hydrogen, halogen, amino, amidino, amido, azido, cyano, guanido, hydroxyl, nitro, nitroso, urea, sulfate, sulfite, sulfonate, sulphonamide, phosphate, phosphonate, acyl, acyloxy, alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, alkylthio of 1 to 6 carbon atoms, alkylamino of 1 to 6 carbon atoms, alkanol of 1 to 6 carbon atoms, aralkyl, aryl of 6 to 10 carbon atoms and 3 to 10 membered heterocycle, n is 2, and J is a counter ion.