N-{5-[difluoro(phosphono)methyl]-1-benzothiophene-2-carbonyl}-3-methyl-L-valyl-L-prolyl-N-(5-{2-[(3R)-2,6-dioxopiperidin-3-yl]-1-oxo-2,3-dihydro-1H-isoindol-4-yl}pent-4-yn-1-yl)-N-methyl-N~3~-[4-(1,3-thiazol-2-yl)phenyl]-beta-alaninamide

P42229 — Signal transducer and activator of transcription 5A