Patent ID: 7838553

Claim:
A compound of formula (I) wherein R 0 is hydrogen; R 1 and R 2 are each methyl; R 3 is hydrogen; X is CR 4 ; R 4 is selected from the group consisting of cyano, phenyl-sulfonyl-, 1-piperidinyl-sulfonyl- and 3-fluorophenyl-sulfonyl-; a is 0; L 1 is selected from the group consisting of —O—, —S—, —NH— and —NH—SO 2 —; R 5 is selected from the group consisting of 1-(5-(4-chlorophenyl)-imidazolyl), 2-(5-chloro-benzo[d]isoxazoly-3-one), and 2-(6-chloro-benzo[d]isoxazol-3-one); provided that the -(L 1 ) a —R 5 substituent group and the —OR 0 substituent group are in a trans orientation; or a pharmaceutically acceptable salt thereof.