Patent ID: 7375118

Claim:
A compound or salt thereof having any one of the following formulas: wherein L and M are independently selected from the group consisting of H, alkyl, alkoxy, aryl, substituted aryl, hydroxy, halogen, amino, alkylamino, nitro, cyano, CF 3 , OCF 3 , CONH 2 , CONHR and NHCOR 1 ; wherein R is selected from the group consisting of H, C 1 –C 5 alkyl, benzyl, p-fluorobenzyl and di-alkylamino alkyl, wherein said C 1 –C 5 alkyl is selected from the group consisting of a straight chain, branched or cyclic alkyl; wherein R 1 and R 2 are independently selected from the group consisting of H, alkyl, substituted alkyl, C 3 –C 9 cycloalkyl, substituted C 3 –C 9 cycloalkyl, polycyclic aliphatic groups, substituted polycyclic aliphatic groups, phenyl, substituted phenyl, naphthyl, substituted naphthyl, heterocyclic, polycyclic heterocyclic, heteroaryl and substituted heteroaryl, wherein said heteroaryl and said substituted heteroaryl contain 1–3 heteroatoms, wherein said heteroatom is independently selected from the group consisting of nitrogen, oxygen and sulfur; wherein said substituted polycyclic aliphatic groups, substituted phenyl, substituted naphthyl and substituted heteroaryl contain 1–3 substituents, wherein said substituent is selected from the group consisting of H, halogens, polyhalogens, alkoxy group, substituted alkoxy, alkyl, substituted alkyl, dialkylaminoalkyl, hydroxyalkyl, hydroxyamino, alkoxyamino, carbonyl, OH, OCH 3 , COOH, COOR′ COR′, CN, CF 3 , OCF 3 , NO 2 , NR′R′, NHCOR′, and CONR′R′; and wherein R′ is selected from the group consisting of H, alkyl, substituted alkyl, C 3 –C 9 cycloalkyl, substituted C 3 –C 9 cycloalkyl, polycyclic aliphatics, phenyl, substituted phenyl, naphthyl, substituted naphthyl, heteroaryl and substituted heteroaryl, wherein said heteroaryl and said substituted heteroaryl contain 1–3 heteroatoms, wherein said heteroatom is independently selected from the group consisting of nitrogen, oxygen and sulfur.