Patent ID: 7897635

Claim:
A compound having a formula wherein R 1 is or R 2 is wherein X is NH optionally substituted with oxo(=O); R 3 is R 4 is hydrogen; Rd is selected from the group consisting of C 1-4 alkyl, C 2-6 alkenyl, C 1-3 alkyleneC 3-8 heterocycloalkyl, OR e , C 1-3 alkyleneOR e , N(R e ) 2 , SR e , halo, nitro, CHO, cyano, NC, C(═O)R e , OC(═O)R e , C(═O)OR e , C(═O)N(R e ) 2 , CH═NOH, CH═CHCH 2 OH, N(R e )COR e , and C 1-3 alkyleneN(R e ) 2 ; R e is selected from the group consisting of hydro, C 1-6 alkyl, C 2-6 alkenyl, aryl, heteroaryl, C 3-8 cycloalkyl, THP, Ts, Boc, and C 3-8 heterocycloalkyl; q is 0 through 3; or a pharmaceutically acceptable salt thereof.