Patent ID: 7276523

Claim:
A compound of Formula (I): or a salt, or solvate thereof: wherein: R 1 is C 1 -C 6 alkyl or —(CH 2 ) m R 6 and R 2 is n-butyl, isopentyl, or —(CH 2 ) m R 6 ; or R 1 is —CH 2 CH 2 -(ethylene) and R 2 is —CH 2 CH 2 CH 2 -(propylene) and R 1 and R 2 are linked together with the nitrogen to which they are attached to form a piperidine group substituted with aralkyl; R 3 , R 4 , and R 5 are independently selected from hydrogen, hydroxy, (C 1 -C 6 )alkyl, halo, or —OR′; m is 0, 1, 2, 3, 4, 5, or 6; R 6 is aryl, heteroaryl, —NR′R″, or —OR′; and R′ and R″ are independently selected from hydrogen, or C 1 -C 6 alkyl.