| abstract |
Compounds are disclosed represented by the formula: <IMAGE> (I) wherein Y is: <IMAGE> or <IMAGE> or a pharmaceutically acceptable salt or ester thereof. <IMAGE> represents an aromatic 6 membered ring; zero or one of T, U, V and W represents N+Ry and the remainder of T, U, V and W are independently selected from C and N, such that one of T, U, V and W represents N+Ry or N. Pharmaceutical compositions and methods of use are also included. |