Patent ID: 7772433

Claim:
A compound represented by the structure of formula (I): wherein Q 2 is alkyl, F, Cl, Br, I, CF 3 , CN, C(R) 3 , Sn(R) 3 , N(R) 2 , NHCOCH 3 , NHCOCF 3 , NHCOR, NHCONHR, NHCOOR, OCONHR, CONHR, NHCSCH 3 , NHCSCF 3 , NHCSR NHSO 2 CH 3 , NHSO 2 R, OR, COR, OCOR, OSO 2 R, SO 2 R, SR; and R is alkyl, haloalkyl, dihaloalkyl, trihaloalkyl, CH 2 F, CHF 2 , CF 3 , CF 2 CF 3 , aryl, phenyl, F, Cl, Br, I, alkenyl or OH; or its isomer, pharmaceutically acceptable salt or any combination thereof.