2-chloro-N-(2-(triethylsilyloxy)propyl)acetamide

2-(5-(4-acetylpiperazin-1-yl)-1-methyl-2,4-dioxo-1,2-dihydropyrido[2,3-d]pyrimidin-3(4H)-yl)-N-(4-ethylphenyl)acetamide

ethyl 2-(2-(5-(4-(cyclopropanecarbonyl)piperazin-1-yl)-1-methyl-2,4-dioxo-1,2-dihydropyrido[2,3-d]pyrimidin-3(4H)-yl)acetamido)acetate

5-(4-(cyclopropanecarbonyl)piperazin-1-yl)-3-(4-fluorobenzyl)-1-methylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione

2-(5-(4-(cyclopropanecarbonyl)piperazin-1-yl)-1-methyl-2,4-dioxo-1,2-dihydropyrido[2,3-d]pyrimidin-3(4H)-yl)-N-methylacetamide

5-(2-(indolin-1-yl)-2-oxoethyl)-7-phenyl-2-(pyrrolidin-1-yl)thiazolo[4,5-d]pyridazin-4(5H)-one

N-(benzo[d][1,3]dioxol-5-ylmethyl)-2-(4-oxo-2-(pyrrolidin-1-yl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide

N-methyl-2-(4-oxo-2-(pyrrolidin-1-yl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)-N-phenylacetamide

N-(3-acetylphenyl)-2-(4-oxo-2-(pyrrolidin-1-yl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide

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

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