Patent ID: 6974830

Claim:
A compound including resolved diastereoisomers and enantiomers, and tautomers, pharmaceutical acceptable salts or solvates thereof, having the following formula (I): wherein: R 1 is selected from the group consisting of C 1 to C 7 substituted alkyl, substituted phenyl, C 7 to C 12 phenylalkyl, C 7 to C 12 substituted phenylalkyl, C 2 to C 7 substituted heterocyclic ring, C 5 to C 6 heteroaryl, and C 5 to C 6 substituted heteroaryl; R 2 is selected from the group consisting of C 1 to C 7 substituted alkyl, substituted phenyl, C 7 to C 12 phenylalkyl, C 7 to C 12 substituted phenylalkyl, C 2 to C 7 substituted heterocyclic ring, C 5 to C 6 heteroaryl, and C 5 to C 6 substituted heteroaryl; R 3 is hydrogen; R 4 is selected from the group consisting of C 1 to C 8 substituted alkyl, wherein the alkyl is substituted with one or more (substituted or unsubstituted) C 3 to C 7 cycloalkyl, C 7 to C 12 substituted phenylalkyl, wherein the phenyl is substituted with one or more substituents selected from the group consisting of halogen, protected hydroxy, cyano, nitro, C 2 to C 8 alkyl, C 1 to C 8 substituted alkyl, C 1 to C 8 alkoxy, C 1 to C 8 substituted alkoxy, C 1 to C 8 acyl, C 1 to C 8 substituted acyl, to C 1 to C 8 acyloxy, carboxy, protected carboxy, carboxymethyl, protected carboxymethyl, hydroxymethyl, protected hydroxymethyl, protected amino, (monosubstituted)amino, protected (monosubstitued)amino, (disubstituted)amino, carboxyamide, N,N-di(C 1 to C 6 alkyl)carboxamide, trifluoromethyl, N—((C 1 to C 6 alkyl)sulfonyl)amino, N-(phenylsulfonyl)amino, cyclic C 2 to C 8 alkylene and a phenyl group, substituted or unsubstituted and substituted naphthyl.