Patent ID: 8143294

Claim:
A compound represented by the structure: wherein: R 1 =2-hydroxypropyl; 3-hydroxypropyl; 2-hydroxyethyl; 2,3-dihydroxypropyl; 2-hydroxy-3-aminopropyl; 2-hydroxy-3-aminobutyl; 3,4-dihydroxybutyl; 2,3,4-trihydroxybutyl; —(CH 2 ) n —COR, in which R═OH, O-alkyl (C 1 -C 4 ), O-alkylaryl, NH 2 , NHMe, or NHOH, and n=1, 2, 3, 4, 5; —CH 2 —P═O(OR) 2 in which R═H, CH 3 , or CH 2 CH 3 ; —CH 2 —(CH 2 ) m —S(═O) n —R, in which R=alkyl (C 1 -C 5 ), OH, NH 2 , and m=1, 2, 3 and n=0, 1, 2; Glycidyl; 3-methylglycidyl; —CH 2 —CHOH—COR, in which R═OH, OMe, OEt, NH 2 , or NHOH; —CH(CH 2 OH)—COR, in which R═OH, OMe, OEt, NH 2 , or NHOH; —CH 2 —CHOH—CN; or —CH(CH 2 OH)—CN; R 2 =methyl; ethyl; isopropyl; sec-butyl; isobutyl; 2-(3-methyl)butyl; cyclopropyl; cyclobutyl; cyclopentyl; cyclohexyl; morpholinyl; tetrahydropyranyl; phenylethyl; benzyl; methylcyclohexyl; methylcyclopentyl; methylmorpholinyl; hydroxycyclohexyl; or hydroxycyclopentyl; R 3 ═H, halogen, CF 3 , or OCF 3 ; R 4 ═H, halogen, CF 3 , or OCF 3 ; and R 5 ═H, halogen, or CF 3 ; or a salt thereof.