Haisco Pharmaceutical Group Co. Ltd. has described proteolysis targeting chimera (PROTAC) compounds comprising an E3 ubiquitin ligase cereblon binding moiety covalently coupled to poly(ADP-ribose) polymerase 1 (PARP-1; ARTD1) targeting moiety through a linker acting as PARP-1 degradation inducers reported to be useful for the treatment of cancer.