Pyridazine Derivatives Pyrazole Derivatives Indole Derivatives Quinoline Derivatives Pyridine Derivatives Fused Bicyclic Heterocycles Pyrimidine Derivatives Spiro cyclic Heterocycles Isoquinoline Derivatives Sulfur-Containing Heterocycles Triazolopyrazine Derivatives Quinoxaline Derivatives Bridged Bicyclic Heterocycles Imidazole Derivatives Naphthyridine Derivatives