Enpp-1-IN-11 (compound 23) is a potent Ecto-nucleotide pyrophosphatase/phosphodiesterases 1 (ENPP1) inhibitor with an K i value of 45 nM. Enpp-1-IN-11 exhibits low clearance in human and mouse liver microsomes, good plasma stability in human and mouse plasma. Enpp-1-IN-11 can be used for researching anticancer.