Patent ID: 8466165

Claim:
A compound of the formula: wherein: Y is NH 2 , NO 2 or the moiety R 4 —(CH 2 ) m —CH═CH—C(O)—NH 2 —; and m is an integer from 1 to 3; R 3 is selected from: a) C 1 -C 3 straight or branched alkyl, optionally substituted by halogen; or b) —(CH 2 ) n -morpholino, —(CH 2 ) n -piperidine, —(CH 2 ) n -piperazine, —(CH 2 ) n -piperazine-N(C 1 -C 3 alkyl), —(CH 2 ) n -pyrrolidine, or —(CH 2 ) n -imidazole; n is an integer from 1 to 4; R 4 is —(CH 2 ) m -Het; Het is a heterocyclic moiety selected from the group of morpholine, piperidine, piperazine, piperazine-N(C 1 -C 3 alkyl), imidazole, pyrrolidine, azepane, 3,4-dihydro-2H-pyridine, or 3,6-dihydro-2H-pyridine, wherein each heterocyclic moiety is optionally substituted by from 1 to 3 groups selected from C 1 -C 3 alkyl, halogen, OH, NH 2 , NH(C 1 -C 3 alkyl) or N (C 1 -C 3 alkyl) 2 ; m is an integer from 1 to 3; and X is 0, S or NH.