Patent ID: 7795280

Claim:
A compound having the formula wherein X is S, SO or SO 2 ; R 1 is a pyridyl ring optionally substituted with one or more substituents selected from the group consisting of halogen, CN, (1C-4C)fluoroalkyl, nitro, (1C-4C)alkyl, (1C-4C)alkoxy and (1C-4C)fluoroalkoxy; R 2 is 2-nitrophenyl, 2-cyanophenyl, 2-hydroxymethyl-phenyl, 2-benzamide, 2-benzoic acid methyl ester or 2-methoxyphenyl; R 3 is H, halogen or (1C-4C)alkyl; R 4 is H, OH, (1C-4C)alkoxy, or halogen; R 5 is H, OH, (1C-4C)alkoxy, NH 2 , CN, halogen, (1C-4C)fluoroalkyl, NO 2 , hydroxy(1C-4C)alkyl, CO 2 H, CO 2 (1C-6C)alkyl, or R 5 is NHR 6 , wherein R 6 is (1C-6C)acyl optionally substituted with one or more halogens, S(O) 2 (1C-4C)alkyl, or S(O) 2 aryl optionally substituted with (1C-4C)alkyl or one or more halogens, or R 5 is C(O)N(R 8 ,R 9 ), wherein R 8 and R 9 each independently are H, (3C-6C)cycloalkyl, or CH 2 R 10 , wherein R 10 is H, (1C-5C)alkyl, (1C-5C)alkenyl, hydroxy(1C-3C)alkyl, (1C-4C)alkylester of carboxy(1C-4C)alkyl, (1C-3C)alkoxy(1C-3C)alkyl, (mono- or di(1C-4C)alkyl)aminomethyl, (mono- or di(1C-4C)alkyl)aminocarbonyl, or a 3-, 4-, 5- or 6-membered monocyclic, homocyclic, aromatic or non-aromatic ring; or a salt thereof.