Patent ID: 8278334

Claim:
A compound having the structural formula or a pharmaceutically acceptable salt thereof, wherein R 1 is R is —C(O)—N(R 27 )(R 28 ); R 2 is difluorobenzyl; R 3 is H or alkyl; R 4 is H or alkyl; R 8 is selected from the group consisting of H, OH, alkoxy, phenoxy or benzyloxy, wherein said alkoxy, said phenoxy, and said benzyloxy are unsubstituted or substituted by 1 to 5 independently selected R 32 groups; R 14 is 1 to 4 substituents independently selected from the group consisting of H, alkyl, halo, —CN, haloalkyl, R 27 and R 28 are independently selected from alkyl, cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, hydroxyalkyl, and alkoxyalkyl; or R 27 and R 28 together with the nitrogen to which they are attached, form an unsubstituted 3-7 membered heterocycloalkyl ring, or a 3-7 membered heterocycloalkyl ring substituted by 1-3 substituents independently selected from the group consisting of alkyl, and alkoxyalkyl; wherein each R 32 group is independently selected from the group consisting of halo, alkyl, cycloalkyl, cycloalkylalkyl, and —OR 35 ; each R 35 is independently selected from the group consisting of H and alkyl.