Patent ID: 7468366

Claim:
A compound of formula II: wherein: A or B is N and the other is CH; or A and B are each CH; W is N; R 3 and R 4 together are ═O, ═S, ═NH or ═N—R 2 wherein R 2 is (C 1 -C 6 )alkyl or substituted (C 1 -C 6 )alkyl; Y and Z are independently hydroxy, (C 1 -C 6 )alkoxy, substituted (C 1 -C 6 )alkoxy, (C 1 -C 6 )alkanoyloxy, substituted (C 1 -C 6 ) alkanoyloxy, —O—P(═O)(OH) 2 , or —O—C(═O)NR c R d ; or Y and Z together with the ring carbon atoms to which they are attached form an alkylenedioxy ring with from 5 to 7 ring atoms; R 1 is hydrogen or (C 1 -C 6 )alkyl; and R c and R d are each independently (C 1 -C 6 ) alkyl or substituted (C 1 -C 6 ) alkyl; or R c and R d together with the nitrogen to which they are attached form a N′—(C 1 -C 6 )alkylpiperazino, pyrrolidino, or piperidino ring, which ring can optionally be substituted with one or more aryl, heteroaryl, or heterocycle; or a pharmaceutically acceptable salt thereof.