rac-(3R,4R)-1-[(tert-butoxy)carbonyl]-4-{[(tert-butoxy)carbonyl]amino}pyrrolidine-3-carboxylic acid

N-(2-(6-oxo-3-(1H-1,2,4-triazol-1-yl)pyridazin-1(6H)-yl)ethyl)-5-phenylisoxazole-3-carboxamide

2-{2-oxo-10-thia-1,8-diazatricyclo[7.3.0.0^{3,7}]dodeca-3(7),8-dien-12-yl}-N-{2-[6-oxo-3-(1H-1,2,4-triazol-1-yl)-1,6-dihydropyridazin-1-yl]ethyl}acetamide

2,6-dioxo-N-(2-(6-oxo-3-(1H-1,2,4-triazol-1-yl)pyridazin-1(6H)-yl)ethyl)-1,2,3,6-tetrahydropyrimidine-4-carboxamide

3-methyl-N-(2-(6-oxo-3-(1H-1,2,4-triazol-1-yl)pyridazin-1(6H)-yl)ethyl)-6-phenylimidazo[2,1-b]thiazole-2-carboxamide

5-chloro-N-(2-(6-oxo-3-(1H-1,2,4-triazol-1-yl)pyridazin-1(6H)-yl)ethyl)thiophene-2-sulfonamide

ethyl 2-(2-(3-(1H-indol-1-yl)-6-oxopyridazin-1(6H)-yl)acetamido)thiazole-4-carboxylate

2-(3-(1H-indol-1-yl)-6-oxopyridazin-1(6H)-yl)-N-(4,5-dimethylthiazol-2-yl)acetamide

2-(3-(1H-indol-1-yl)-6-oxopyridazin-1(6H)-yl)-N-(4-(pyridin-2-yl)thiazol-2-yl)acetamide

2-{2-[(dimethylsulfamoyl)amino]ethyl}-6-(1H-indol-1-yl)-2,3-dihydropyridazin-3-one

N-(2-(3-(1H-indol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-3-chloro-4-fluorobenzenesulfonamide