The present invention includes novel compositions and methods for treating comprising a compound with the Formula I:where n=0-5； X=NH, O, S, CH2； Y=Phenyl, a phenyl group substituted with at least one methyl, a phenyl group substituted with at least one nitro, a phenyl group substituted with at least one nitrogen, a phenyl group substituted with at least one boron, aryl, substituted aryl, heteroaryl, four to six membered cycloalkyl, four to six membered heterocycloalkyl； R═；H, C(O)R2, SO2R2； R1=H, C(O)R2, SO2R2； R2=Ethyl, methyl, isopropyl, n-propyl, t-butyl, n-butyl, NH2, NR3R4, R3, R4 =Ethyl, methyl, isopropyl, n-propyl, t-butyl, n-butyl, three to six membered cycloalkyl and Z=NH, O, S, CH2 or none, wherein the amount of the compound is selected to either inhibit or activate the immune response.
