Patent ID: 8030306

Claim:
A compound according to Formula Ia: or a pharmaceutically acceptable salt or a stereoisomer thereof, wherein: Ar 1 is aryl, which may be optionally substituted with 1-3 members selected from the group consisting of halogen, haloalkyl, cyano, alkyl, alkoxy, and haloalkoxy; Ar 2 is aryl, which may be optionally substituted with 1-3 members selected from the group consisting of halogen, haloalkyl, cyano, alkyl, alkoxy, and haloalkoxy; R 1 is alkyl, wherein the alkyl group is substituted with either an —OR 4 or an —NR 5 R 6 group; R 2 is selected from the group consisting of aryl and heteroaryl, wherein the aryl and heteroaryl may each be optionally substituted with 1-2 members selected from the group consisting of halogen, alkyl, haloalkyl, cyano, cycloalkyl, and alkoxy; R4 is selected from the group consisting of hydrogen, alkyl, haloalkyl, and phosphates; R 5 and R 6 are each independently selected from the group consisting of hydrogen and alkyl, wherein the alkyl may be optionally substituted with 1-3 halogen; or R 5 and R 6 may be taken together with the nitrogen to which they are attached to form a heterocyclyl ring forming a 4, 5, 6, or 7 membered rings.