| CPC C07D 409/14 (2013.01) [A61K 45/06 (2013.01); A61P 25/02 (2018.01); C07D 401/14 (2013.01); C07D 405/14 (2013.01); C07D 413/14 (2013.01); C07D 417/14 (2013.01)] | 6 Claims |

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1. A compound encompassed within:
![]() including pharmaceutically acceptable salts, solvates, and/or prodrugs thereof,
wherein X is C,
wherein R1 is selected from
![]() wherein R2 is selected from
![]() wherein R3 is selected from
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