| abstract |
A compound of formula I: or a pharmaceutically acceptable salt, hydrate, ester, solvate, prodrug, metabolite, stereoisomer, or mixtures thereof, wherein: Y represents the atoms necessary to form a fused 5- to 6-membered, aromatic or non-aromatic, heterocyclic ring containing at least one nitrogen heteroatom in a 1,3-relationship with the nitrogen atom depicted in formula I, wherein Y may be unsubstituted or substituted with at least one alkyl, alkenyl, cycloalkyl, cycloalkenyl, aralkyl, aryl, double bonded oxygen, or -COOR5 group, or a moiety selected from the group consisting of: wherein R5 and R7 are independently hydrogen or alkyl, alkenyl, cycloalkyl, cycloalkenyl, aralkyl, or aryl. |