Patent ID: 8669260

Claim:
A compound having the formula: wherein A is where X is H, CHO, COCH 3 , CO—OCH 3 , CO—OC 2 H 5 , CONH 2 , CONHCH 3 , CONHC 2 H 5 , CSNHCH 3 , CH 2 CH 3 , COO—CH 3 , COO—C 2 H 5 , CH 3 , CH 2 —CH(CH 3 ) 2 , CO—NH—(CH 2 ) 2 CH 3 , CH(CH 3 ) 2 , (CH 2 ) 3 CH 3 , (CH 2 ) 2 CH 3 , SO 2 CH 3 , CH 2 C 6 H 5 , or SO 2 CH 2 C 6 H 5 ; wherein B is methyl, ethyl, propyl, butyl, CH 2 (CH 2 ) n CH 2 CH 3 where n=0-10, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, wherein each R 1 , R 2 , R 3 , R 4 and R 5 is independently H, F, Br, I, OCH 3 , OC 2 H 5 , O-alkyl, SH, S-alkyl, NH 2 , NH-alkyl, alkyl, or phenyl; and wherein C is ethyl, propyl, butyl, CH 2 (CH 2 ) n CH 2 CH 3 where n=0-10, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, wherein each R 1 , R 2 , R 3 , R 4 and R 5 is independently H, F, Br, I, OCH 3 , OC 2 H 5 , O-alkyl, SH, S-alkyl, NH 2 , NH-alkyl, alkyl, or phenyl; or a pharmaceutically acceptable salt thereof.