Patent ID: 8067600

Claim:
A compound having the formula or a pharmaceutically acceptable salt thereof, wherein: Z represents a bond; R 9 is quinolinyl or isoquinolinyl; wherein R 9 is unsubstituted or substituted with one or more of the following groups: phenyl, -halo, —C 1 -C 6 alkyl, —O—(C 1 -C 6 alkyl), —OH, —NO 2 , —OR′, —CN, —COOR′, —OC(O)R′, —NHR′, —N(R′) 2 , —NHC(O)R′ or —C(O)NHR′; R′ is independently H or unsubstituted —C 1 -C 6 alkyl; X represents O; m is an integer ranging from 0-5; n is an integer ranging from 0-5; and the sum of m and n is 3, 4, 5, or 6.