BSJ-03-204 是由Cereblon配体和CDK配体相连的PROTAC，是一种有效的，选择性的基于 Palbociclib (HY-50767) 的 CDK4/6 双重降解剂，对 CDK4/D1 和 CDK6/D1 的 IC50 分别为 26.9 nM 和 10.4 nM。BSJ-03-204 不诱导 IKZF1/3 降解，具有抗癌活性。 BSJ-03-204 is a PROTAC connected by ligands for Cereblon and CDK. BSJ-03-204 is a potent and selective Palbociclib-based CDK4/6 dual degrader (PROTAC), with IC50s of 26.9 nM and 10.4 nM for CDK4/D1 and CDK6/D1, respectively. BSJ-03-204 does not induce IKZF1/3 degradation and has anti-cancer activity。