PIM kinase inhibitor compound having a structure as represented by Formula I, and isomers, diastereomers, enantiomers, tautomers, and pharmaceutically acceptable salts of the compounds as represented by Formula I. The compounds significantly inhibit the Pim kinase activity and are used to prepare drugs to treat PIM kinase mediated diseases, such as cancers, autoimmune diseases, allergic reactions, or organ transplant rejection. Also provided are methods for preparing the compounds represented by Formula I.
