Patent ID: 6958352

Claim:
A compound having the structure: or a stereoisomer, prodrug or pharmaceutically acceptable salt thereof, wherein: m is 0 or 1; n is 1 or 2; R 1 is alkyl, aryl, substituted aryl; R 3 is substituted alkyl, substituted heterocycle, —C(═O)N(R 3a )(R 3b ), —NHC(═O)N(R 3a )(R 3b ), —NHC(═S)N(R 3a )(R 3b ), —C(═O)OR 3c , or —NHC(═O)R 3d ; R 3a and R 3b are the same or different and independently hydrogen, alkyl, substituted alkyl, substituted aryl, arylalkyl, or R 3a and R 3b taken together with the nitrogen atom to which they are attached form a heterocycle; R 3c is alkyl; and R 3d is alkyl or substituted aryl.