Patent ID: 7419963

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