Patent ID: 8906908

Claim:
A compound according to the structure: wherein: R 1 is optionally substituted C1-10 alkyl; R 2 is H or optionally substituted C1-10 alkyl; R 3 and R 4 are each independently selected from optionally substituted C1-10 alkyl; X, Y, and Z are each independently selected from H; optionally substituted C1-10 alkyl; optionally substituted C1-10 alkoxy; optionally substituted C2-10 alkenyl; optionally substituted C2-10 alkynyl; optionally substituted C6-C12 aryl; alkaryl; arylalkyl; aryloxy; optionally substituted heteroaryl; optionally substituted heterocycle; halo; hydroxyl; halogenated alkyl; an amino group of formula NH 2 , NR 12 H, or NR 12 R 13 ; alkylamino; arylamino; acyl; CN; NO 2 ; N 3 ; CH 2 OH; CONH 2 ; CONR 12 R 13 ; CO 2 R 12 ; CH 2 OR 12 ; NHCOR 12 ; NHCO 2 R 12 ; C1-3 alkylthio; sulfate; sulfonic acid; sulfonate ester; phosphonic acid; phosphate; phosphonate; mono-, di-, or triphosphate ester; trityl or monomethoxytrityl; R 12 SO; R 12 SO 2 ; CF 3 S; CF 3 SO 2 ; trialkylsilyl; and diphenylmethylsilyl; and R 12 and R 13 are each independently selected from H or optionally substituted C1-10 alkyl; wherein one or more of X, Y, and Z are optionally substituted C6-C12 aryl, or a pharmaceutically acceptable ester, amide, salt, solvate, prodrug, or stereoisomer thereof.