Patent ID: 7098336

Claim:
A compound having the following formula (I) wherein: R 1 in formula (I) is hydrogen, C 1 to C 7 acyl or C 1 to C 7 substituted acyl; R 2 is phenyl, substituted phenyl, C 5 to C 6 heteroaryl, or C 5 to C 6 substituted heteroaryl, naphthyl, or substituted naphthyl, R 3 is hydrogen, C 1 to C 4 alkyl, C 1 to C 12 substituted alkyl, C 7 to C 12 alkylphenyl, C 1 to C 3 substituted alkylphenyl, and R 4 is a structure selected from one of the following formulas (II) or (III), or R 3 and R 4 together with the nitrogen form a heterocycle or substituted heterocycle ring; R 5 is hydrogen, C 1 to C 8 alkyl, halogen, C 1 to C 8 alkoxy, carboxy, ester, amide, substituted amide or C 1 to C 8 aminoacyl; R 6 is hydrogen, C 1 to C 8 alkyl, or C 1 to C 8 substituted alkyl; R 8 is hydrogen, methyl or ethyl; or a resolved (diastereoisomer, enantiomer, tautomer, or a pharmaceutical acceptable salt thereof.