Patent ID: 8889883

Claim:
A compound represented by structural Formula (I) or pharmaceutically acceptable salts thereof: wherein: R is (C 6 -C 10 )aryl, (C 5 -C 10 )heteroaryl, (C 6 -C 10 )aryl(C 2 -C 6 )alkenyl or 2-4 member polycyclyl, wherein each 2-4 member polycyclyl optionally and independently contains 1-2 ring heteroatoms selected from oxygen, nitrogen and sulfur; and wherein R is optionally substituted with 1-4 substituents independently selected from (C 1 -C 6 )alkyl, halo(C 1 -C 6 )alkyl, hydroxy(C 0 -C 6 )alkyl, (C 6 -C 10 )aryl, halo(C 6 -C 10 )aryl, hydroxy(C 6 -C 10 )aryl, (C 1 -C 6 )alkoxy, halo(C 1 -C 6 )alkoxy, (C 3 -C 8 )cycloalkyl, halo(C 6 -C 10 )aryl(C 1 -C 6 )alkoxy, halogen, amino, (C 1 -C 6 )alkoxy(C 6 -C 10 )aryl(C 1 -C 6 )alkoxy, nitro, (3 to 9 membered)heterocyclyl, (C 0 -C 6 )alkyl(C 6 -C 10 )aryl(C 0 -C 6 )alkoxy, (C 5 -C 10 )heterocycle, —OCF 3 , —B(OH) 2 , cyano(C 1 -C 6 )alkylene amino, (C 1 -C 6 )alkoxyamino, (C 6 -C 10 )aryl(C 2 -C 6 )alkenyl, (C 2 -C 6 )alkenyl(C 1 -C 6 )alkoxy, (C 1 -C 6 )sulfoxy or —N(CH 3 )(C 1 -C 6 )OH.