#$%^&*AU2013231185A120131010.pdf#####ABSTRACT The invention in one embodiment is directed to a compound of Formula A: y 2 y2 Y2 y2 o Y 1 1 Y N N)R y1 y3 y 5 y5 R 1 Y 7 R2 Y4 y4 0 y 6 y 6 Formula A as defined herein, or a pharmaceutically acceptable salt thereof.