Description for Veppanu Vepdegestrant is a heterobifunctional protein degrader. It is a small molecule comprised of an estrogen receptor binding domain joined by a linker to an E3 ligase binding domain. The chemical name of vepdegestrant is 2,6-piperidinedione, 3-[1,3-dihydro-1-oxo-5-[4-[[1-[4-[(1R,2S)-1,2,3,4-tetrahydro-6-hydroxy-2-phenyl-1-naphthalenyl]phenyl]-4-piperidinyl]methyl]-1-piperazinyl]-2H-isoindol-2-yl]-, (3S)-.