Compounds which modulate the CB2 receptor

A compound of the formula (I)

• wherein:
• R1 is phenyl wherein each R1 is optionally substituted with 1-3 substituents chosen from C1-4 alkyl group substituted with 1-3 halogens, or from C3-10 cycloalkyl , C1-4 alkoxy, C1-4 alkylsulfonyl, acyl, cyano, hydroxyl and halogen;
• R2 and R3 are C1-4 alkyl or hydrogen with the proviso that both R2 and R3 cannot be hydrogen;
• R4 is hydrogen or methyl;
• R5 is phenyl wherein each R5 is optionally substituted with 1-3 substituents chosen from C1-4 alkyl group optionally substituted with 1-3 halogens, C1-4 alkoxy, acyl, —C(O)-heteroaryl, cyano, hydroxyl and halogen;
• R6 is hydrogen or C1-4 alkyl;
• n is 1, 2, 3 or 4;
• wherein any carbon atom on the formula (I) or any R substituent listed above is optionally partially or fully halogenated where possible;
• or a pharmaceutically acceptable salt thereof.