Patent ID: 8669363

Claim:
A compound of formula or pharmaceutical salts thereof: wherein R 2 selected from a H, CH 3 , Cl, F, Br and R 3 selected from a H, CH 3 , Cl, F, CN, Br, —COOME R 2 is a CH 3 and R 3 is a CH 3 ; R 2 is a Cl and R 3 selected from a Cl; R 2 is a H and R 3 is a Cl; R 2 is a H and R 3 is a F; R 2 is a H and R 3 is a Br; R 2 is a H and R 3 is a —COOME; or R 2 is a H and R 3 is a CH 3 .