Patent ID: 7741345

Claim:
A compound of formula (I), wherein, X 1 and X 2 are each independently —C(O)—; Y is —O—; L 1 is —O—, alkylene, substituted alkylene, alkenylene, substituted alkenylene, alkynylene, or substituted alkynylene; L 2 is a covalent bond or —NR 8 —; with the proviso that when L 1 is alkylene and L 2 is a covalent bond, R 1 is not a substituted heterocyclyl selected from the group of heterocyclyls consisting of: wherein U and V are independently O, S, or NH; n is 1 or 2; L 3 and L 5 are each independently a covalent bond, alkylene or substituted alkylene; L 4 and L 6 are each independently a bond, or —O—; Ar 1 and Ar 3 are each independently aryl or substituted aryl; Ar 2 is heterocyclyl or sybstituted heterocyclyl; R 1 is cycloalkyl, substituted cycloalkyl, cycloalkenyl, substituted cycloalkenyl, heterocyclyl, substituted heterocyclyl, or —C(O)OR 9 ; R 2 , R 4 and R 5 are H; R 3 is —OH; R 6 and R 6a are each independently H, halo, cyano, alkyl, substituted alkyl, haloalkyl, substituted haloalkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, heterocyclyl, substituted heterocyclyl, aryl, substituted aryl, heteroaryl, or substituted heteroaryl; R 8 is H, alkyl, or substituted alkyl; R 9 is H, alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, or substituted alkynyl; m is 0 or 1; n is 0, 1 or 2; or a pharmaceutically acceptable salt, and/or ester thereof.