N5-(2,4,5-Trichlorophenyl)-2,5-pyridinediamine

N-(4-acetylphenyl)-2-(4-oxo-2-(piperidin-1-yl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide

N-benzyl-2-(4-oxo-2-(piperidin-1-yl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide

4-(2-(4-oxo-2-(piperidin-1-yl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)acetamido)benzamide

5-(2-(4-ethoxyphenyl)-2-oxoethyl)-2-(piperidin-1-yl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-4(5H)-one

5-(2-oxo-2-(5,6,7,8-tetrahydronaphthalen-2-yl)ethyl)-2-(piperidin-1-yl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-4(5H)-one

5-(2-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-oxoethyl)-2-(piperidin-1-yl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-4(5H)-one

5-(3,5-dimethoxybenzyl)-2-(piperidin-1-yl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-4(5H)-one

5-phenethyl-2-(piperidin-1-yl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-4(5H)-one

N-(2,6-dimethylphenyl)-2-(4-oxo-2-(piperidin-1-yl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide

N-(2-ethyl-6-methylphenyl)-2-(4-oxo-2-(piperidin-1-yl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide