Patent ID: 7319105

Claim:
A compound of formula I: wherein: A or B is N and the other is CH; 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 (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.