The present invention is directed to the compound of formula (I), which is 5-[1-(1,3-dimethoxypropan-2-yl)-5-(morpholin-4-yl)-1H-1,3-benzodiazol-2-yl]-1,3-dimethyl-1,2-dihydropyridin-2-one: or a salt thereof, in particular pharmaceutically acceptable salts thereof. The compound of formula (I) has been identified as a BET inhibitor and thus has potential for use in therapy, for example in the treatment of autoimmune and inflammatory diseases, such as rheumatoid arthritis; and cancers.本發明係關於式(I)化合物,其係5-[1-(1,3-二甲氧基丙-2-基)-5-(嗎啉-4-基)-IH-1,3-苯并二唑-2-基]-1,3-二甲基-1,2-二氫吡啶-2-酮:或其鹽,具體而言其醫藥上可接受之鹽。該式(I)化合物已鑑別為BET抑制劑,且因此具有用於療法中、例如用於治療自體免疫及發炎性疾病(例如類風濕性關節炎)及癌症中之潛能。