| abstract |
Compound having the following structure: ** (See formula) ** wherein X is a carbon atom or nitrogen atom, R1 is selected from the group consisting of a five to eight membered heterocyclic ring, six aryl ring members, five or six membered heteroaryl ring, C3 to C8 cycloalkyl group, C1 to C6 alkyl group, ** (See formula) ** and ** (See formula) **, substituted or unsubstituted; R2 is selected from the group consisting of a hydrogen atom, a five or six membered heteroaryl ring, a five or six membered aryl ring, C3 to C6 cycloalkyl group, eight to ten membered heterocyclic ring system, and ** ( See formula) **, substituted or unsubstituted; R3 is selected from the group consisting of C2 to C8 alkylheteroaryl group, C2 to C8 alkyleneheteroaryl group, C6 to C10 aryl group, C2 to C5 heteroaryl group, C7 to C13 alkylaryl group, C7 to C13 alkylenearyl group, C2 to C8 alkylhetrocyclyl group , C2 to C8 alkylenehetrocyclyl group, C4 to C8 alkylcycloalkyl group or C4 to C8 alkylenehetrocyclyl group, substituted or unsubstituted; and Ra is a C5 to C6 aryl group or C1 to C6 alkyl group, substituted or unsubstituted. |