Patent ID: 7375220

Claim:
A compound selected from the formulas IIa, IIb wherein Y is —(SO2)-; R1, R4 are each independently selected from the group consisting of H, F, Cl, Br, CN, CF3, C1-4-alkyl and C1-4-alkoxy; and R2, R3 are each independently selected from the group consisting of H, F, Cl, Br, CN, CF3, C1-4-alkyl and C1-4-alkoxy; R6 is H or C1-4-alkyl; L1 is independently selected from the group consisting of C1-4-alkyl, C1-3-alkoxy, F, Cl, Br, CN, NO2 and CF3; L3 of formula IIa is selected from the group consisting of C1-4-alkyl, F, Cl, Br, CN and CF3; L3 of formula IIb is selected from the group consisting of C2-4-alkyl, F, Cl, Br, CN and CF3; and i is 0, 1, 2, 3, 4 or 5; k is 1, 2, 3, 4 or 5; or a pharmaceutically acceptable salt thereof.