abstract |
The invention relates to compounds of formula I and / or a stereoisomer, a stable isotopologist and / or pharmaceutically acceptable salts thereof; and therapeutic uses of these compounds, which are inhibitors of tryptophan 2,3-dioxygenase 2 (TDO2) and / or indoleamine 2,3-dioxygenase 1 (IDO1), potentially useful in the treatment of treatable diseases, such as cancers. |