The present invention relates to compounds of Formula I as described herein or a pharmaceutically acceptable salt thereof, pharmaceutical composition comprising a compound of Formula I or a pharmaceutically acceptable salt thereof and methods of treating a disease, disorder, or condition of the central nervous system, including bipolar disorder, depressive disorders, anxiety disorders, cognitive disorders, pain disorders, urogenital disorders, and epilepsy, among the other diseases, disorders or conditions discussed herein as mono-therapy or in combination with another active pharmaceutical ingredient.
