Patent ID: 8703951

Claim:
The compound of Formula III: wherein: R 1 is selected from the group consisting of hydrogen, a C 1 -C 5 linear, branched or cyclic alkyl group, an unsubstituted or substituted aryl, and an unsubstituted or substituted benzyl group; and R 2 is selected from the group consisting of hydrogen, a C1-C5 linear, branched or cyclic alkyl group, an unsubstituted or substituted benzyl, an acyl (R a CO), a methansulfonyl (Me 2 SO 2 ), a toluenesulfonyl MeC 6 H 4 SO 2 ); wherein R a is a C1-C5 linear, branched or cyclic alkyl group, an unsubstituted or substituted aryl, and an unsubstituted or substituted benzyl.