Bromodomain Inhibitor, (+)-JQ1. A potent and highly specific BET inhibitor, Synonyms:-t-Butyl-2-((6S)-4-(4-chlorophenyl)-2,3,9-trimethyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-6-yl)acetate, CAS Number:-1268524-70-4, Molecular Formula:-C2GH2GClNGO2S, Purity:-G98% by HPLC, 5mg.