Astellas Pharma Inc. has described new quinazoline GTPase KRAS (G12D mutant) degradation inducers reported to be useful for the treatment of pancreatic cancer. An exemplified compound degraded KRAS(G12D) mutant expressed in human pancreatic AsPC-1 cancer cells (DC50 = 37 nM) in ELISA assays. An exemplified compound degraded KRAS(G12D) mutant expressed in human pancreatic AsPC-1 cancer cells (DC50 = 37 nM) in ELISA assays. It inhibited 3D anchorage-independent proliferation of KRAS(G12D) mutant-positive AsPC-1 cancer cells (IC50 = 23 nM) in Celltiter-Glo assays.