Abstract: Disclosed are compounds of the formula: or the pharmaceutically acceptable salts or solvates thereof, wherein: Ar1 is a chlorophenyl group, Ar2 is a dichlorophenyl group, R1 is a —(CH2)m—X—(CH2)n—R2 group, X is a —NH—, —O—, —C(O)— or —S(O)2— group, and R2 is a substituted phenyl group. These compounds are CB1 receptor modulators. Also disclosed are methods of treating CB1 modulated diseases or conditions such as the metabolic syndrome.