(2S)-3-bromo-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

6-(Benzo[d][1,3]dioxol-5-yl)-3-((2-chloro-6-fluorobenzyl)thio)-[1,2,4]triazolo[4,3-b]pyridazine

N-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-{[6-(thiophen-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl]sulfanyl}acetamide

N-(2-chlorobenzyl)-2-((6-(thiophen-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)acetamide

2-((6-(pyridin-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)-N-(4-(trifluoromethyl)phenyl)acetamide

N-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-{[6-(pyridin-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl]sulfanyl}acetamide

N-(6-methylbenzo[d]thiazol-2-yl)-2-((6-(pyridin-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)acetamide

N-(3,4-dichlorophenyl)-2-((6-(pyridin-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)acetamide

2-((6-(pyridin-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)-N-(3-(trifluoromethyl)phenyl)acetamide

2-Methylmorpholine-2-carboxylic acid

3-(3-{[(Pyridin-3-yl)methyl]sulfanyl}-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)pyridine