(S)-Deoxy-thalidomide-2,7-diazaspirononane-CH2-Me-PIP-Boc

(S)-Deoxy-thalidomide-2,7-diazaspiro[3.5]nonane-CH2-Me-PIP-Boc consists of E3 ligase ligand and PROTAC linker of PROTAC K-Ras Degrader-3 (HY-168054). (S)-Deoxy-thalidomide-2,7-diazaspiro[3.5]nonane-CH2-Me-PIP-Boc is promising for research of cancers.