Patent ID: 8557856

Claim:
A compound according to formula (I) wherein, R 1 is L 1 C(O)OL 2 C(O)OT; R 2 is a substituted or unsubstituted C 1 -C 10 alkyl, C 2 -C 10 alkenyl, or C 2 -C 10 alkynyl, or R 1 ; n is an integer from 0-5; each R 3 is independently halogen or R 2 ; L 1 and L 2 are each independently a bond, a substituted or unsubstituted C 1 -C 10 alkylene, C 2 -C 10 alkenylene, or C 2 -C 10 alkynylene, wherein the backbone of alkylene may contain one or more heteroatoms; T is H, a substituted or unsubstituted C 1 -C 10 alkyl, C 2 -C 10 alkenylene, C 2 -C 10 alkynylene, nitrophenol, or cyclopropyl, wherein the backbone of alkyl may contain one or more heteroatoms; and pharmaceutically acceptable salts, stereoisomer mixtures, and enantiomers thereof.