c1nc(c2c(n1)n(cn2)C3CC(C(C3O)O)CO)N 20797 CHEMBL18802 Ki = 9900 nM 13023 8 P03958 Adenosine deaminase c1cnc(=O)n(c1)C2[C@@H]([C@@H]([C@H](O2)CO)O)O 605329 CHEMBL603590 Ki = 1000 nM 13023 8 P03958 Adenosine deaminase