Patent ID: 8765802

Claim:
A compound of the formula: or a pharmaceutically acceptable salt or stereoisomer thereof, wherein: ring B is n is an integer selected from 0 and 1; R 1 is H; R 2 is —C(O)H, —C(O)C 1-6 alkyl, —OC 1-6 alkyl or a group selected from: or R 1 and R 2 taken together with the atoms to which they are attached form a substituted or unsubstituted 5- or 6-membered cycloalkenyl ring; or R 1 and either R 5 or R 6 taken together with the atoms to which they are attached form a substituted or unsubstituted 5- or 6-membered cycloalkenyl ring; X is —C(O)—N(R 4 )—, —N(R 4 )—C(O)—, —N(R 4 )—N(R 4 )—C(O)—, or —C(O)—N(R 4 )—N(R 4 ); L is a direct bond or C 1-6 alkylene; A is substituted or unsubstituted benzofuranyl, substituted or unsubstituted 1H-indole, substituted or unsubstituted 1H-indazole, or substituted or unsubstituted benzo[d]thiazolyl; R 3 is at each occurrence independently H, —OH, —OC 1-6 alkyl, —NH 2 , —NHOH, —NHR 6 , —SH or —S—C 1-6 alkyl; and R 4 , R 5 and R 6 are at each occurrence independently H, substituted or unsubstituted aryl, substituted or unsubstituted C 3-10 heteroaryl, substituted or unsubstituted C 3-10 cycloalkyl, substituted or unsubstituted C 3-10 heterocycloalkyl, or substituted or unsubstituted C 1-6 alkyl, wherein either A is substituted with at least one of the following groups or R 2 is one of the following groups: