BENZIMIDAZOLE 5-SULFONAMIDE DERIVATIVES AS CANNABINOID 1 (CB1) RECEPTOR LIGANDS

摘要

Compounds of formula I or pharmaceutically acceptable salts thereof: [Chemical formula should be inserted here. Please see paper copy] I wherein R<SUB>1</SUB>, R<SUB>2</SUB>, R<SUB>3</SUB> and R<SUB>4</SUB> are as defined in the specification as well as salts and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.