Patent ID: 8202844

Claim:
A compound as depicted in formula (I), wherein the formula (I) is as follows: wherein R 1 is i) a 1-D ribosyl substituent; ii) the 2-deoxy derivative of said substituent; or iii) the α or β-anomer of said substituent; wherein R 2 is selected from the group consisting of chloro, bromo, wherein R 3 is selected from the group consisting of wherein R 4 and R 7 are independently selected from H, Cl, Br, F, I, a nitro group, and an azido group; where R 8 and R 9 are independently selected from H, CH 3 , C 2 H 5 , isopropyl, and cyclopropyl; where R 10 is H, CH 3 , C 2 H 5 , or CH 2 C 6 H 5 ; and where R 11 is H, CH 3 , C 2 H 5 , or CH 2 C 6 H 5 .