It’s only fair to share… Leniolisib CAS 1354690-24-6 WeightAverage: 450.466Monoisotopic: 450.199108558 Chemical FormulaC21H25F3N6O2 1-[(3S)-3-({6-[6-methoxy-5-(trifluoromethyl)pyridin-3-yl]-5H,6H,7H,8H-pyrido[4,3-d]pyrimidin-4-yl}amino)pyrrolidin-1-yl]propan-1-one FDA APPROVED Joenja, 3/24/2023, To treat activated phosphoinositide 3-kinase delta syndromeDrug Trials Snapshot Leniolisib (INN[3][4]), sold under the brand name Joenja, is a medication used for the treatment of activated phosphoinositide 3-kinase delta syndrome (APDS).[2][5] It is a kinase inhibitor[2][6] that is taken by mouth.[2] The most common side effects …