The present invention relates to compounds of formula I, or a pharmaceutically acceptable salt thereof,characterized in that at least one of R8, R9, R10 is -ORa for use in the treatment or prevention, suppression or amelioration of a disease mediated by the ROR gamma receptor in a subject in need thereof, in particular diabetes and diabetes-related disorders, specifically type II diabetes, methods of their production, as well as methods of treatment or prevention of such diseases.