AB-680

Description: AB-680, a highly potent, reversible, and selective inhibitor of CD73 (an ectonucleotidase, Ki: 4.9 pM for hCD73) with anti-tumor activity, displays >10,000-fold selectivity over related ectonucleotidases CD39. Target: CD73. Smiles: N([C@@H](C)C1=C(F)C=CC=C1)C2=C3C(N(N=C3)[C@@H]4O[C@H](COP(CP(=O)(O)O)(=O)O)[C@@H](O)[C@H]4O)=NC(Cl)=C2. References: Lawson KV, et al. Discovery and Characterization of AB680, a Potent and Selective Small-Molecule CD73 Inhibitor for Cancer Immunotherapy.